GeneticsThe study of genes and the   inheritance of traits
Characteristics   These are features you    exhibit physically     ( your looks)Example: Eye color -  green
Traits   The different versions    of a characteristic   Example: blue, green,    and brown eyes
Inheritance         Occurs when traits are          passed down from          parent to child.
Genes      Bits of information       passed down from       parent to child.      Made of chemicals       called DNA.
Genetic Diseases        Can be passed on through         genes from a parent to the         child.         Example : Mar...
Reproduction         Sexual – Sperm          fertilizes an egg to          produce offspring         Asexual – occurs wh...
Fertilization   Occurs when a sperm    unites with an egg
Offspring   Another name for the    children of a male and    female parent
Mutation       Occurs when genes        make a mistake mixing        and produce new or        different traits in the   ...
Genotype                             A combination of                              alleles                              E...
Alleles   T – is considered a    dominant allele           TT – is dominant   t – is considered a    recessive allele   ...
Punnett Square   Uses mom and dad’s    genotypes to determine    the possible traits of    their offspring.   4 offspring
Phenotype   They are the traits    determined by reading    the genotype.   Example : FF = black    fur   Black fur is ...
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Genetics

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Genetics

  1. 1. GeneticsThe study of genes and the inheritance of traits
  2. 2. Characteristics These are features you exhibit physically ( your looks)Example: Eye color - green
  3. 3. Traits The different versions of a characteristic Example: blue, green, and brown eyes
  4. 4. Inheritance  Occurs when traits are passed down from parent to child.
  5. 5. Genes  Bits of information passed down from parent to child.  Made of chemicals called DNA.
  6. 6. Genetic Diseases  Can be passed on through genes from a parent to the child.  Example : Marfan Syndrome (Individual is tall, has long arms and legs) Remember - JOE
  7. 7. Reproduction  Sexual – Sperm fertilizes an egg to produce offspring  Asexual – occurs when 1 organism copies itself to produce offspring
  8. 8. Fertilization Occurs when a sperm unites with an egg
  9. 9. Offspring Another name for the children of a male and female parent
  10. 10. Mutation  Occurs when genes make a mistake mixing and produce new or different traits in the offspring.
  11. 11. Genotype  A combination of alleles Example: TT, Tt, or tt*We flipped coins to determine thegenotype of our critters andpuppies.
  12. 12. Alleles T – is considered a dominant allele TT – is dominant t – is considered a recessive allele Tt or tT – is dominant tt - is recessive
  13. 13. Punnett Square Uses mom and dad’s genotypes to determine the possible traits of their offspring. 4 offspring
  14. 14. Phenotype They are the traits determined by reading the genotype. Example : FF = black fur Black fur is the phenotype or trait

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