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Genetics
What is Genetics   Genetics is the scientific study of    heredity.   Heredity is what makes each    species unique.
Gregor Mendel   Austrian Monk   Famous for his work with pea plants   He is known as the father of    genetics
Mendel’s Work   Mendel used true-breeding plants which    means if they were left to breed with    themselves they would ...
The Principle of Dominance   The principle of dominance states    that some alleles are dominant and    others are recess...
Probability & Genetics   Probability is the likelihood that an    event will happen.   The principle of probability can ...
Punnett Squares   Diagram used to predict genetic    crosses.   Individuals with identical alleles are    called homozyg...
Mendel’s Principles   The inheritance of biological    characteristics are determined by genes.   For two or more forms ...
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Genetics power point

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Transcript of "Genetics power point"

  1. 1. Genetics
  2. 2. What is Genetics Genetics is the scientific study of heredity. Heredity is what makes each species unique.
  3. 3. Gregor Mendel Austrian Monk Famous for his work with pea plants He is known as the father of genetics
  4. 4. Mendel’s Work Mendel used true-breeding plants which means if they were left to breed with themselves they would produce offspring identical to themselves. Mendel studied 7 different traits in pea plants. A trait is a specific characteristic that varies from one individual to another.
  5. 5. The Principle of Dominance The principle of dominance states that some alleles are dominant and others are recessive. Dominant alleles are always expressed. Recessive alleles are only expressed if both alleles are recessive.
  6. 6. Probability & Genetics Probability is the likelihood that an event will happen. The principle of probability can be used to predict the outcomes of genetic crosses.
  7. 7. Punnett Squares Diagram used to predict genetic crosses. Individuals with identical alleles are called homozygous Individuals with different alleles are called heterozygous Phenotype – physical characteristic Genotype – genetic makeup
  8. 8. Mendel’s Principles The inheritance of biological characteristics are determined by genes. For two or more forms of a gene, dominance and recessive forms may exist. Most sexually reproductive organisms have two sets of genes that separate during gamete formation. Alleles segregate independently.
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