Asexual vs Sexual Reproduction
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Asexual reproduction involves a single parent and produces offspring that are genetically identical clones through cell division or budding. It is fast but leaves no genetic variation, so all offspring could be vulnerable to the same diseases. Sexual reproduction involves two parents who produce gametes through meiosis that combine to create genetically unique offspring, introducing variation but taking more time and energy.
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This document provides an overview of sexual and asexual reproduction. It defines key terms like meiosis, mitosis, gametes and fertilization. It describes several methods of asexual reproduction like binary fission, budding, regeneration and parthenogenesis. Advantages of asexual reproduction include not needing a mate and producing large numbers quickly, while disadvantages include inability to adapt to changes. Sexual reproduction generates genetic variation through meiosis and fertilization, allowing adaptation but requiring more time and energy to find a mate.
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Here is a Venn diagram comparing asexual and sexual reproduction:
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Asexual Sexual
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Identical DNA Varied DNA
No variation Genetic variation
Rapid growth Requires more energy
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This document discusses asexual and sexual reproduction. It begins by defining the two types of reproduction and their key differences. Asexual reproduction involves one parent and produces genetically identical offspring, while sexual reproduction involves two parents and produces offspring with genetic variation. The document then explains various types of asexual reproduction, including binary fission, budding, regeneration, and vegetative propagation. It also covers the process of sexual reproduction, including fertilization. Key differences between asexual and sexual reproduction are outlined such as number of parents involved, genetic makeup of offspring, use of gametes, and relative rates of reproduction. Students are then given questions to test their understanding of the concepts.
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The document discusses different types of cell division: binary fission, mitosis, and meiosis. Binary fission is how prokaryotic cells divide, splitting their single DNA strand to form two identical daughter cells. Mitosis and meiosis are forms of cell division in eukaryotes. Mitosis produces two identical daughter cells through the phases of interphase, prophase, metaphase, anaphase and telophase. Meiosis involves two cell divisions and results in four haploid cells with half the normal genetic material.
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Asexual reproduction requires only one parent and produces offspring that are genetically identical to the parent. It occurs through various processes like budding, fragmentation, regeneration, and mitosis. Some organisms like bacteria, hydra, and strawberries reproduce asexually.
Sexual reproduction requires two parents and produces offspring with a mix of genetic material from both parents. It occurs in animals, plants, and some other eukaryotic organisms. Meiosis and fertilization of an egg by sperm leads to offspring that share traits with both parents but are not identical to either. Many animals like humans, chickens, and fish reproduce sexually.
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Asexual reproduction involves one parent and does not involve meiosis or fertilization. It is the primary form of reproduction for single-celled organisms and occurs through mechanisms like binary fission, budding, fragmentation. Sexual reproduction involves meiosis and fertilization, resulting in genetic diversity. It occurs through pollination in plants and internal or external fertilization in animals, requiring cooperation between sexes.
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Asexual reproduction requires only one parent and produces offspring that are genetically identical to the parent. It occurs through various processes like budding, fragmentation, regeneration, and mitosis. Some organisms like bacteria, hydra, and strawberries reproduce asexually.
Sexual reproduction requires two parents and produces offspring with a mix of genetic material from both parents. It occurs in animals, plants, and some other eukaryotic organisms. Meiosis and fertilization of an egg by sperm leads to offspring that share traits with both parents but are not identical to either. Many animals like humans, chickens, and fish reproduce sexually.
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Sexual reproduction requires two parents and produces offspring that receive genetic material from both parents. It occurs through the fusion of male and female gametes in internal or external fertilization. Some organisms that reproduce sexually are humans, chickens and sunflowers. Sexual reproduction introduces genetic variation in offspring but takes more time and energy as two individuals must find each other.
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Asexual reproduction involves one parent and does not involve meiosis or fertilization. It is the primary form of reproduction for single-celled organisms and occurs through mechanisms like binary fission, budding, fragmentation. Sexual reproduction involves meiosis and fertilization, resulting in genetic diversity. It occurs through pollination in plants and internal or external fertilization in animals, requiring cooperation between sexes.
Powerpoint asexual reproduction in plants
Asexual reproduction in plants allows for rapid colonization without variation, while sexual reproduction introduces variation but requires two parents and can result in harmful mutations. Asexual reproduction in plants occurs through stolons, runners, spores, tubers, bulbs, and grafts. Tubers like potatoes and bulbs like onions are modified plant structures that store nutrients, allow the plant to survive winter, and produce new genetically identical plants.
Asexual reproduction
Asexual reproduction involves one parent and results in offspring that are genetically identical. There are six main types of asexual reproduction: sporulation, fragmentation, regeneration, binary fission, budding, and vegetative propagation. Sporulation uses spores to produce new organisms, fragmentation occurs when an organism breaks into parts that form new individuals, and regeneration allows organisms to regrow injured or lost parts. Binary fission is cell division that results in two identical daughter cells, while budding involves an outgrowth from the parent that later detaches to form a new individual. Vegetative propagation uses plant parts like bulbs, rhizomes, runners, tubers, or cuttings to generate new plants.
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Vegetative propagation is a form of asexual reproduction used by plants to produce offspring without seeds, pollen, or flowers. The offspring are genetically identical to the parent plant. Vegetative propagation can occur naturally through modified plant structures like stems, roots, leaves, and buds, or can be induced artificially through methods like cuttings, grafting, and tissue culture. Vegetative propagation is advantageous for gardeners because it allows desirable plant traits to be reproduced rapidly and in large quantities.
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Vegetative propagation is an important technique in modern Indian agriculture to increase crop yields. It involves reproducing plants through plant parts like stems, roots, and leaves rather than seeds. The key types of vegetative propagation discussed are cuttings, layering, and grafting. Cuttings involve propagating plants from stem, root, or leaf cuttings taken from a mother plant. Layering causes a stem to root while still attached to the parent plant. Grafting involves joining tissue from one plant onto another to propagate commercially important crops like mangoes. Vegetative propagation allows for mass production of plants with desired traits and is widely used in horticultural nurseries.
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This document summarizes sexual and asexual reproduction in plants. Sexual reproduction involves two parents fusing gametes to produce offspring that differ from the parents, while asexual reproduction uses one parent to produce identical offspring through budding, stolons, or runners. The document then discusses pollination, fertilization, seed structure, and dispersal methods like wind or animal vectors.
Plant reproduction
Plant reproduction involves the transfer of pollen from the anther to the stigma, known as pollination. This can occur through wind or animal vectors. Fertilization happens when the pollen tube delivers sperm to fertilize the ovule. The ovary then develops into a fruit containing seeds. Seeds are dispersed by various mechanisms like wind, water, or animals to colonize new areas away from the parent plant. Germination starts when the seed takes in water, activating enzymes to break down food stores that fuel embryo growth into a new plant.
Asexual reproduction
Asexual reproduction produces genetically identical offspring through processes such as binary fission, budding, spore formation, regeneration, and vegetative propagation. Binary fission involves a parent cell dividing into two equal daughter cells, while budding results in a parent organism dividing into an unequal parent and new bud. Spore formation produces single cells that can germinate into new individuals. Regeneration allows some animals like hydra and planaria to regrow lost body parts. Vegetative propagation uses plant parts like bulbs, tubers, stolons and rhizomes to produce new plants.
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Sexual and asexual reproduction have advantages and disadvantages. Asexual reproduction involves a single parent and produces offspring that are genetically identical. Methods include fission, budding, fragmentation, and vegetative propagation. This allows for rapid reproduction but lacks genetic variation. Sexual reproduction combines genetic material from two parents into offspring. It produces diverse offspring but requires more time and energy to find a mate. Genetic variation provides advantages for adaptation and selective breeding but can also introduce negative traits. Gestation periods can impact endangered species if deaths exceed births.
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Asexual reproduction
Asexual reproduction is one of two types of reproduction where a single organism can produce offspring that are genetically identical to itself. There are four main types of asexual reproduction in animals: 1) fission or budding where new organisms form from the original but remain attached until maturity, 2) fragmentation where the parent breaks into pieces that develop into new individuals, 3) regeneration where lost body parts can regrow entire new organisms in animals like echinoderms, and 4) gemmules where a parent releases cell clusters that develop into offspring as seen in sponges.
Methods of reproduction
Methods of reproduction can be sexual, requiring two parents, or asexual with one parent. Asexual reproduction results in offspring that are exact clones of the parent with little variation. Common asexual reproduction methods include binary fission in single-celled organisms, budding where new growth emerges from the parent, and fragmentation where a parent breaks into pieces that form new individuals. Sexual reproduction requires an egg and sperm and results in offspring with unique genetic combinations from both parents, increasing variation within a species.
Genetics Notes
1. Somatic cells make up the body and undergo mitosis, while gamete cells (sperm and egg) undergo meiosis and are haploid.
2. Chromosomes contain DNA and come in pairs, with one chromosome from each parent. Autosomes are non-sex chromosomes 1-22, while sex chromosomes are X and Y and determine gender.
3. Asexual reproduction involves one parent and produces genetically identical offspring through mitosis, while sexual reproduction combines gametes through fertilization producing offspring with a mix of parental genes.
Asexual vs. Sexual Reproduction
There are two main types of reproduction: asexual reproduction which involves one parent and results in offspring that are genetically identical; and sexual reproduction which involves two parents and increases genetic diversity in offspring through meiosis and fertilization. Some common asexual reproduction methods include binary fission in prokaryotes, fragmentation and regeneration in fungi and plants, and budding in yeasts and hydras. Sexual reproduction, the primary method for most complex organisms, requires pollination to deliver pollen for fertilization of flowering plants.
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Similar to Asexual vs Sexual Reproduction
Mitosis and meiosis
Mitosis and meiosis are two types of cell division. Mitosis produces two daughter cells that are identical to the parent cell and have the same number of chromosomes. Meiosis produces four haploid daughter cells that have half the number of chromosomes of the parent cell and are genetically different from each other. Meiosis is involved in sexual reproduction to create gametes, while mitosis produces somatic cells for growth and repair of organisms.
Berger ca8e lecch3
Genes affect every aspect of human development and traits are passed from parents to children. While genes play a major role, environmental factors also influence phenotypes. Genetic counseling can help individuals understand risks of passing on genetic conditions and make informed reproductive decisions. Chromosomal abnormalities can cause developmental issues, but understanding their origins helps reduce stigma.
Reproduction
Reproduction ensures the continuation of species through asexual and sexual reproduction. Asexual reproduction produces genetically identical offspring through cloning, while sexual reproduction involves the fusion of male and female gametes, introducing genetic variation. Meiosis produces gametes with half the number of chromosomes, allowing for genetic recombination during fertilization which contributes to variation between offspring. Development involves cell differentiation and specialization from the zygote stage through embryo and fetus formation.
Chapter 3 heredity and variation
The document discusses heredity and variation, including the principles of inheritance. It covers several key topics:
- Cell division through mitosis and meiosis results in the transmission of genes from parents to offspring. Mitosis produces genetically identical cells for growth, while meiosis results in genetic variation through the formation of gametes.
- Genes located on chromosomes carry inherited traits and occur in pairs. One gene from each pair is inherited from the mother and father. Examples of traits determined by genes include eye color and blood type.
- Gregor Mendel's experiments with pea plants established the principles of dominant and recessive genes. A dominant gene masks the expression of a recessive gene. Monohy
Compare different sexual and asexual life cycles noting their adapti.pdf
Compare different sexual and asexual life cycles noting their adaptive advantages.
Solution
Asexual reproduction sexual reproduction Number of organisms involved One parent
needed Two parents are required to mate Cell division Cells divide by Fission, budding , or
regeneration Cells divide by Meiosis Types Budding, vegetative reproduction, fragmentation,
spore formation Syngamy and conjugation Advantages Time Efficient; no need to search for
mate, requires less energy Variation, Unique., organism is more protected Disadvantages No
variation - if the parent has a genetic disease, offspring does too. Requires two organisms,
requires more energy Evolution There is very little chance of variation with asexual
reproduction. Mutations in DNA can still occur but not nearly as frequently as in sexual
reproduction. Sexual reproduction leads to genetic variation in new generations of offspring.
This is fundamental to evolution. Involvement of sex cells No formation or fusion of gametes
(sex cell) Formation and fusion of gametes (sex cell) occurs Found in Lower organisms Higher
invertebrates and all vertebrates Unit of reproduction May be whole parent body or a bud or a
fragment or a single somatic cell Gamete Time taken Asexual reproduction is completed in a
very short period of time. Sexual reproduction can take several months to complete. Number of
offspring Two or more One or more.
Significance of mitosis nd meosis sss
Mitosis and meosis are two common phenomenons, one can get plenty information about these two but its significance is very rarely provided on social networks. Here is its significance, have a look.
Asexual Reproduction (1)
The document discusses asexual reproduction, which is the process of producing offspring from a single parent. It describes several forms of asexual reproduction including regeneration, budding, binary fission, and mitosis. Regeneration occurs when an organism breaks into parts that can each grow into a new organism. Budding involves a new cell developing and pinching off from the parent organism. Binary fission is the process where a prokaryotic cell grows and splits into two identical daughter cells. Mitosis is the process of cell division that produces two daughter cells with identical DNA to the parent cell.
Asexual Reproduction (1)
The document discusses asexual reproduction, which is reproduction that requires only one parent. It defines several forms of asexual reproduction including regeneration, budding, binary fission, and mitosis. Budding is when a new organism develops from a protrusion on the parent organism. Regeneration occurs when an organism breaks into parts that can each grow into a new organism. Binary fission is the process that single-celled prokaryotes use to reproduce. Mitosis is the process that eukaryotic cells use to replicate their DNA and divide.
Asexual Reproduction
The document discusses asexual reproduction, which is reproduction that requires only one parent. It defines several forms of asexual reproduction including regeneration, budding, binary fission, and mitosis. Budding is when a new organism develops from a protrusion on the parent organism. Regeneration occurs when an organism breaks into parts that can each grow into a new organism. Binary fission is the process that single-celled prokaryotes use to reproduce. Mitosis is the process that eukaryotic cells use to replicate their DNA and divide.
Asexual Reproduction (1)
The document discusses asexual reproduction, which is the process of producing offspring from a single parent. It describes several forms of asexual reproduction including regeneration, budding, binary fission, and mitosis. Regeneration occurs when an organism breaks into parts that can each grow into a new organism. Budding involves a new cell developing and pinching off from the parent organism. Binary fission is the process that prokaryotic cells undergo to replicate. Mitosis is the process that eukaryotic cells undergo to replicate through the phases of interphase and cell division.
HOW DO ORGANISMS REPRODUCE
Asexual reproduction in amoeba occurs through binary fission. The amoeba cell divides through mitosis to form two identical daughter cells. Each daughter cell is an exact clone of the parent cell. Binary fission allows for rapid multiplication of amoeba in favorable environmental conditions. The contractile vacuole acts to regulate the amoeba's water content through osmosis, as the cell takes in more water than its surroundings. It repeatedly swells and bursts to expel excess water from the cell.
Molecular & genetic mechanisms of onto genesis
1) The document discusses various mechanisms of sexual and asexual reproduction in organisms. It describes gametogenesis, fertilization, and the main stages of ontogenesis including cleavage, gastrulation, and formation of organs and systems.
2) The two main types of reproduction are asexual, which produces offspring genetically identical to the parent, and sexual, which involves meiosis and fusion of male and female gametes to create offspring with genetic material from both parents.
3) Fertilization is the fusion of haploid gametes to form a diploid zygote, which then undergoes cleavage, gastrulation, and organogenesis during development.
Cell cycle & cell division
-Cell Division Process In Prokaryotes & Eukaryotes
-Compacting DNA into Chromosomes
-Types of Cell Reproduction
-Phases of the Cell Cycle
-Mitosis
-Meiosis
-Oogenesis & Spermatogenesis
-Comparison of Divisions
Significance of mitosis nd meosis
Mitosis is a type of cell division that results in two identical daughter cells. It is important for growth, maturity, and repair of damaged cells. Meiosis produces gametes like sperm and egg cells through cell division that results in four daughter cells each with half the number of chromosomes. Meiosis is required for sexual reproduction to take place and allows for genetic diversity in offspring. If neither mitosis nor meiosis occurred, organisms would not be able to grow, repair cells, or reproduce sexually.
Reproduction
There are two main types of reproduction: asexual and sexual. Asexual reproduction involves one parent and produces genetically identical offspring through mechanisms like fission, budding, and fragmentation. Sexual reproduction involves both a male and female parent and produces offspring with a mix of both parents' genes through fertilization. While asexual reproduction requires less energy, sexual reproduction produces more genetic variation in offspring and ensures survival of a species when environments change.
Cell reproduction (part 1)
The document discusses cell growth and reproduction, including asexual and sexual reproduction. It defines key terms like growth, reproduction, asexual reproduction, and sexual reproduction. It provides examples of asexual reproduction through binary fission in prokaryotes like bacteria. It also discusses examples of sexual reproduction through mitosis in eukaryotic cells like plants, animals and humans. The document explains the process of binary fission and mitosis at a high level.
Chapter 3 The New GeneticsAlma Villanueva, MACalifornia S.docx
Chapter 3:
The New Genetics
Alma Villanueva, MA
California State University, Los Angeles
Overview
Genetic Code
The Beginning of Life
Male & Female
Twins
Genotype & Phenotype
Disorders
Genetic Counseling
Genetic Code
Cells
Basic unit of life
Trillions!
Nucleus
Chromosomes
Thread– like structures made up of DNA & protein
23 pairs
DNA (Deoxyribonucleic acid)
2 strands twisted in a double helix
Chemical composition of molecules that contain the genes
Contains all of the information required to build/maintain the cell
3
Genes
Small section of the chromosome
18,000 – 23,000 genes
Each gene provides a unique recipe to make a protein
4 bases
Code for your traits
A - adenine
T - thymine
C - cytosine
G – guanine
Only 4 possible pairs
A-T; T-A; C-G; G-C
http://mybrainnotes.com/brain-dna-behavior.html
4
Allele
A variation of a gene
Example: the gene for eye color has several variations (alleles); an allele for blue eye color or an allele for brown eyes
Everyone inherits alleles from sperm & ovum
Genetic diversity
Distinguishes each person
Allows the human species to adapt to pressures of the environment
Genome
Full set of genes with instructions to make a living organism
Genomes exist for each species
Video about Genes
5
The Beginning of Life
Two Parents, Millions of Gametes
Gamete
Reproductive cell
Sperm or Ovum
Each contains 23 pairs
Zygote
Cell formed with union of Sperm & Ovum
Produce a new individual with 23 chromosomes from each parent
Conception
http://predictingbabygender.info/tag/intercourse-timing/
Matching genes
Genotype
Organism’s entire genetic inheritance, or genetic potential.
Homozygous (same zygote)
Two genes of one pair that are exactly the same in every letter of their code
Heterozygous
Two genes of one pair that differ in some way
Usually not an issue
Male of Female?
Humans usually possess
46 chromosomes
44 autosomes and 2 sex chromosomes
SEX chromosome = 23rd pair
Female – XX
Male – XY
Mother’s contain X
Father’s may have X or Y
X chrom. Is larger & more genes
Y contain SRY,
making male hormones & organs
It's a girl!
Uncertain Sex
“ambiguous genitals,” = child's sex is not abundantly clear
a quick analysis of the chromosomes is needed, to make sure there are exactly 46 and to see whether the 23rd pair is XY or XX
shown here a baby boy (left) and girl (right).
Too Many Boys?
Is sex selection the parents’ right or a social wrong?
Preference for boys in many areas of world
Ways to prevent female birth
Inactivating X sperm before conception
In vitro fertilization (IVF)
Aborting XX fetuses
My Strength, My Daughter
slogan these girls in New Delhi are shouting at a demonstration against abortion of female fetuses in India
The current sex ratio of children in India suggests that this campaign has not convinced every couple.
New Cells
Within hours of conception
23 pairs of chromosomes carrying all the genes duplicate, forming two complete sets of the genome
Two sets.
Chapter 3 The New GeneticsAlma Villanueva, MACalifornia S.docx
Chapter 3:
The New Genetics
Alma Villanueva, MA
California State University, Los Angeles
Overview
Genetic Code
The Beginning of Life
Male & Female
Twins
Genotype & Phenotype
Disorders
Genetic Counseling
Genetic Code
Cells
Basic unit of life
Trillions!
Nucleus
Chromosomes
Thread– like structures made up of DNA & protein
23 pairs
DNA (Deoxyribonucleic acid)
2 strands twisted in a double helix
Chemical composition of molecules that contain the genes
Contains all of the information required to build/maintain the cell
3
Genes
Small section of the chromosome
18,000 – 23,000 genes
Each gene provides a unique recipe to make a protein
4 bases
Code for your traits
A - adenine
T - thymine
C - cytosine
G – guanine
Only 4 possible pairs
A-T; T-A; C-G; G-C
http://mybrainnotes.com/brain-dna-behavior.html
4
Allele
A variation of a gene
Example: the gene for eye color has several variations (alleles); an allele for blue eye color or an allele for brown eyes
Everyone inherits alleles from sperm & ovum
Genetic diversity
Distinguishes each person
Allows the human species to adapt to pressures of the environment
Genome
Full set of genes with instructions to make a living organism
Genomes exist for each species
Video about Genes
5
The Beginning of Life
Two Parents, Millions of Gametes
Gamete
Reproductive cell
Sperm or Ovum
Each contains 23 pairs
Zygote
Cell formed with union of Sperm & Ovum
Produce a new individual with 23 chromosomes from each parent
Conception
http://predictingbabygender.info/tag/intercourse-timing/
Matching genes
Genotype
Organism’s entire genetic inheritance, or genetic potential.
Homozygous (same zygote)
Two genes of one pair that are exactly the same in every letter of their code
Heterozygous
Two genes of one pair that differ in some way
Usually not an issue
Male of Female?
Humans usually possess
46 chromosomes
44 autosomes and 2 sex chromosomes
SEX chromosome = 23rd pair
Female – XX
Male – XY
Mother’s contain X
Father’s may have X or Y
X chrom. Is larger & more genes
Y contain SRY,
making male hormones & organs
It's a girl!
Uncertain Sex
“ambiguous genitals,” = child's sex is not abundantly clear
a quick analysis of the chromosomes is needed, to make sure there are exactly 46 and to see whether the 23rd pair is XY or XX
shown here a baby boy (left) and girl (right).
Too Many Boys?
Is sex selection the parents’ right or a social wrong?
Preference for boys in many areas of world
Ways to prevent female birth
Inactivating X sperm before conception
In vitro fertilization (IVF)
Aborting XX fetuses
My Strength, My Daughter
slogan these girls in New Delhi are shouting at a demonstration against abortion of female fetuses in India
The current sex ratio of children in India suggests that this campaign has not convinced every couple.
New Cells
Within hours of conception
23 pairs of chromosomes carrying all the genes duplicate, forming two complete sets of the genome
Two sets ...
Similar to Asexual vs Sexual Reproduction (20)
Compare different sexual and asexual life cycles noting their adapti.pdf
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Chapter 3 The New GeneticsAlma Villanueva, MACalifornia S.docx
Chapter 3 The New GeneticsAlma Villanueva, MACalifornia S.docx
Chapter 3 The New GeneticsAlma Villanueva, MACalifornia S.docx
Chapter 3 The New GeneticsAlma Villanueva, MACalifornia S.docx
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- 1. Reproduction Learning Goals: To be able to explain Asexual Reproduction To be able to explain Sexual Reproduction To be able to give advantages and disadvantages for each
- 3. What is reproduction? Reproduction is the production of new members of a species, replacing those who die due to old age, disease, competition etc. It is divided into two main types: Sexual reproduction involves two parents who have sex organs which produce sex cells. Asexual reproduction involves one parent and no sex cells
- 4. Asexual Reproduction Offspring arise from a single parent Offspring are identical in every way to their parent: clones Mitosis is means by which these clones are produced.
- 5. Mitosis A type of cell division that results in two daughter cells each the same as the parent cell The DNA of the daughter cells is identical as all the DNA comes from one parent
- 6. Types of Asexual Reproduction Fission: simple cell splitting. (this can happen for single cells or clusters of cells) Bacteria Cell Division Budding: the offspring which separates is smaller that the parent (e.g. yeast or potatoes)
- 7. Types of Asexual Reproduction Vegetative propagation: the formation of miniaturised plant from specialised leaves or runners Strawberry Plants
- 8. Asexual Reproduction: Pros and Cons The offspring already adapted for their environment There is no need to find a mate, which takes extra energy A very fast way of reproduction: can be good and bad (overpopulation) All offspring are clones: if one get sick, they all get sick
- 9. Sexual reproduction Offspring arise from a two parents Offspring are a combination of the DNA of both parents sex cells (gametes) Meiosis is means by which these gametes are produced.
- 10. Meiosis A type of cell division that results in half the required DNA for a new organism In most cases, male gametes are known as sperm, and female gametes are known as eggs The offspring is a combination of traits from the male and female parent
- 11. Sexual Reproduction: Pros and Cons The offspring's DNA is different: is prepared for any changes. Any disease that affects some of the offspring will not affect all of them This variation in DNA leads to evolution Takes time and energy to find a mate
- 12. Video Explanation of Reproduction: http://youtu.be/ELvTgZnTwSI
- 14. Reproduction 6 Quick Question: 1. 2. 3. 4. 5. 6. What is Asexual Reproduction Give an example of asexual reproduction One Benefit and one Disadvantage What is Sexual Reproduction? Give one example of sexual reproduction One benefit and one disadvantage