Genetics Terminology and Crosses Quiz
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Questions and Answers

What is the usual phenotypic ratio of the F2 generation of a dihybrid cross?

  • 3:1
  • 2:1:1:2
  • 1:2:1
  • 9:3:3:1 (correct)

    • What is Mendel’s Law of Segregation? Which part of meiosis explains this law?

  • Each allele for a trait segregates into the same gamete during meiosis I
  • Each allele for a trait segregates into the same gamete during meiosis II
  • Each allele for a trait segregates into a different gamete during meiosis I (correct)
  • Each allele for a trait segregates into a different gamete during meiosis II

    • Why was the pea plant a good organism for genetic studies?

  • It had complex traits and a long generation time
  • It had easily observable traits and a long generation time
  • It had complex traits and a short generation time
  • It had easily observable traits and a short generation time (correct)

    • In a monohybrid cross with 2 true-breeding parents, what is the phenotype ratio of all the F1?

    <p>100% dominant phenotype</p> Signup and view all the answers

    What is Mendel’s Law of Independent Assortment? Which part of meiosis explains this law?

    <p>Genes for different traits segregate independently during gamete formation in meiosis I</p> Signup and view all the answers

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