alora13 alora13

21-12-2016
Biology

contestada

why a person with aa alleles has very pale skin and hair color?

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Apocrophon Apocrophon

21-12-2016

Since having aa means that someone has pale skin and hair, those traits are recessive.
Having pale skin and hair is rare because since aa is recessive, they are easily covered up with the dominant alleles.

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