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Practice problem

Multiple Alleles — Definition & Examples

By Gabi Slizewska

In the diagram below, the circles represent alleles and rectangles represent phenotypes. Lines are drawn between alleles and the phenotypes they contribute to.

Choice A has 3 different alleles which all contribute to 1 phenotype. Choice B has 2 alleles, and each allele contributes to 1 of 2 phenotypes. Choice C has 1 allele which contributes to 3 different phenotypes. Choice D has 3 alleles, and each allele contributes to 1 of 3 phenotypes.

Image by: Gabi Slizewska

Which choice best represents a multiple allele trait?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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