Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring

An incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is

homozygous for blue feathers. Purple offspring result. Then, two of the purple offspring are crossed. According to the Punnett

square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete

dominance?

1 in 4

O2 in 4

3 in 4

4 in 4

Question

Biology

Dane Hansen

9 August, 12:35

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring

An incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is

homozygous for blue feathers. Purple offspring result. Then, two of the purple offspring are crossed. According to the Punnett

square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete

dominance?

1 in 4

O2 in 4

3 in 4

4 in 4

+4

Answers (1)

Know the Answer?

Heath Ayers · Answer 1

Answer: 2 in 4

Explanation: if the parents are both RB, one would end up red, one would end up blue, and 2 would be heterozygous and end up presenting the incompletely dominant color of purple.