Introduction To Heredity

10 Questions

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Heredity Quizzes & Trivia

Questions and Answers
  • 1. 
    Select all options that are hereditary traits in humans.
    • A. 

      Ability to play basketball

    • B. 

      Eye color

    • C. 

      Dimples

    • D. 

      Length of hair

    • E. 

      Length of big toe

    • F. 

      Musical talent

  • 2. 
    Acquired skills are...
    • A. 

      Learned

    • B. 

      Inherited

    • C. 

      Useless in nature

    • D. 

      Passed on by genes

  • 3. 
    In pea plants, a single pair of genes controls seed color. Each one of these genes in the pair is called ...
    • A. 

      A gamete

    • B. 

      A copy

    • C. 

      An allele

    • D. 

      A trait

  • 4. 
    A hybrid refers to ...
    • A. 

      An individual that has two different alleles for a trait

    • B. 

      An trait in which both alleles in a pair are identical

    • C. 

      An individual that has brown eyes

    • D. 

      A cross between two species

  • 5. 
    Someone who has blue eyes because she has one allele for blue eyes from her mother and one allele for blue eyes from her father is said to be...
    • A. 

      A hybrid

    • B. 

      A purebred for eye color

    • C. 

      Heterozygous

    • D. 

      A mutant

  • 6. 
    In pea plants, when a purebred tall plant is crossed with a purebred short plant, all the offspring are short. What can you deduce about each allele in the trait?
    • A. 

      Tall plants are recessive

    • B. 

      Tall plants are dominant

    • C. 

      Short plants are dominant

    • D. 

      No deductions can be made after only one cross.

  • 7. 
    A breeder crosses white rabbits with brown rabbits and gets a mix of brown and white rabbit babies. He then crosses two of these offspring and gets a litter of 5 baby rabbits. What generation are these last litter of rabbits?
    • A. 

      P1

    • B. 

      F1

    • C. 

      F2

    • D. 

      R3

  • 8. 
    Select all the traits in pea plants that Mendel experimented with.
    • A. 

      Seed color

    • B. 

      Seed shape

    • C. 

      Flower color

    • D. 

      Leaf odor

    • E. 

      Termite resistance

  • 9. 
    Mendel found that the weaker trait disappeared in the F1 generation but always re-appeared in the F2 generation in what ratio?
    • A. 

      50%

    • B. 

      60%

    • C. 

      25%

    • D. 

      10%