Genetics and Heredity — Test Answers

Which traits should the student put in section I (Inherited)?

skin color and a scar

a scar and wolf's social status

wolf's social status and blood type

tiger's stripes and blood type

Which of Thomas Hunt Morgan's hypotheses was valid based on these results?

Female Drosophila with white eyes are homozygous recessive.

White eyes are the dominant trait in female Drosophila .

White eyes are lethal in male Drosophila .

White eyes are lethal in female Drosophila .

Which pair of individuals represents a mating that will result in inbreeding?

individuals 1 and 6

individuals 6 and 14

individuals 3 and 6

individuals 3 and 4

In the pedigree that is shown, which represents Irene's allele combination?

cap x to the cap h th power cap x to the h th power

cap x to the h th power cap y

cap x to the cap h th power cap x to the cap h th power

cap x to the h th power cap x to the h th power

What is the best evidence to prove that Irene was heterozygous for hemophilia?

Two of her sons have hemophilia and one does not.

Her brother has hemophilia and her sister is a carrier.

Tatiana carried the recessive allele.

Elizabeth is not a carrier for the trait.

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