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A cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result due to incomplete dominance. then, two of the purple offspring are crossed. what proportion of the offspring from the second cross will be purple? 1 in 4 2 in 4 3 in 4 4 in 4

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luisvaschetto

The expected proportion of purples individuals in the F2 of a heterozygous cross (purple phenotype) is equal to 2 in 4.

What is a Punnett square?

A Punett square is a diagram used to estimate the genotypic and phenotypic proportions in a given cross.

In this case, purple individuals (Aa genotype) will be:

          A     a

A       AA    Aa

a       Aa     aa

In conclusion, the expected proportion of purples individuals in the F2 of a heterozygous cross (purple phenotype) is equal to 2 in 4.

Learn more about Punnett square here:

https://brainly.com/question/3522181

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