Animal Science - Genetics Review

What does EPD stand for?

The study of heredity in plants and animals

• Alleles

• Recessive

• Genetics

• Gametes

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Who is considered the Father of Genetics?

Why was Gregor Mendel considered the "Father of Genetics"?

• His experimentation with cross breeding pea plants

• Creating the Principles of Inheritance

• Inventing Progeny Testing

• Leasing sires out to test which ones would be best for his breeding stock

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NGSS.HS-LS3-2

Explain how DNA, genes, cells, and chromosomes fit together

• Genes --> Chromosomes

  Chromosomes --> DNA

  DNA --> Cells

• Genes --> Cells

  Cells --> Chromosomes

  Chromosomes --> DNA

• Genes --> DNA

  DNA --> Chromosomes

  Chromosomes --> Cells

• DNA --> Cells

  Cells --> Genes

  Genes --> Chromosomes

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Relating to one pair of allelic hereditary factors that is EXPRESSED or appears in the organism

• Recessive

• Genotype

• Phenotype

• Dominant

What four components are evaluated when looking at EPDs?

If you are a cattle producer, what values on an EPD would you evaluate to determine which bull you would use to breed first-calf heifers?

• Birth Weight

• Weaning Weight

• Yearling Weight

• Milking Ability

What determines an animal's genotype?

• The environment

• The phenotype

• Genetic material from parents

• Nothing, it just exists

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NGSS.HS-LS3-1

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What determines an animal's phenotype?