Greg decides to enhance his reptile-breeding income by branching out into bearded dragons. He crosses two dragons that are heterozygous for a red stripe trait. The offspring display a 3:1 ratio of normal to red-striped phenotypes, but the red-striped dragons are much, much larger than their unstriped siblings.

What type of genetic pattern is demonstrated here?

Question

George Miller

Biology

11 March, 12:28

Greg decides to enhance his reptile-breeding income by branching out into bearded dragons. He crosses two dragons that are heterozygous for a red stripe trait. The offspring display a 3:1 ratio of normal to red-striped phenotypes, but the red-striped dragons are much, much larger than their unstriped siblings.

What type of genetic pattern is demonstrated here?

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Answers (1)

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Reagan Roth · Answer 1

Pleiotropy

Explanation:

The genetic pattern demonstrated here is pleiotropy. Pleiotropy occurs when a gene or allele controls more than a single trait, the gene for red-stripe also controls the size of the reptiles.