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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

If two of the purple (Aa) offspring are crossed, then the proportion of the offspring that will be purple is 2 in 4.

What is incomplete dominance?

Incomplete dominance is a genetic phenomenon where both alleles are expressed in heterozygous individuals.

This process (incomplete dominance) is well known to produce a proportion of 2 in 4 with the phenotype in a cross between 2 heterozygous individuals.

In conclusion, if two of the purple (Aa) offspring are crossed, then the proportion of the offspring that will be purple is 2 in 4.

Learn more about incomplete dominance here:

https://brainly.com/question/7294889

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