Quiz: Pedigrees

Last updated over 6 years ago
8 questions
2

Which of the following individuals are carriers? (Choose ALL that apply)

1

For a single gene, how many alleles does each parent pass on to each offspring?

1

How many grandchildren did I-1 and I-2 have?

1

How is III-2 related to III-4?

1

How many alleles does a person carry for each trait?

1

This pedigree tracks hemophelia in a family. How many of II-2's grandsons have hemophelia?

3

What are clues that a trait is recessive? (Choose ALL that apply)

5

The pedigree below tracks the appearance of a recessive trait:
Match each individual on the left with the correct genotype on the right.

  • Dad
  • Mom
  • Sister
  • Brother 1
  • Brother 2
  • Definitely homozygous dominant
  • Definitely heterozygous
  • Definitely homozygous recessive
  • Could be homozygous dominant or heterozygous