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Asked • 06/23/19

How can fruit flies and mice share the same gene that says to build an eye if they evolved separately?

I saw a documentary where they inserted the gene of a mouse that basically is the starting "build an eye" command into a fruit fly, and a fruit fly eye grew. My question is, if eyes of different types of animal had different evolutionary beginnings (I don't know much about arthropod eye evolution, but for a different example, as I understand it, cephalopod eyes evolved from skin cells while vertebrate eyes evolved from brain cells), then **how is it that the same gene controls the growth of two such evolutionary different eyes**?

1 Expert Answer


Andrew B. answered • 09/16/19

5 (2)

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