Essay
You are an evolutionary biologist analyzing the evolution of embryo development in different species.You identify an important gene that controls the placement of body regions in fruit flies,mice,and chickens,and you find the gene is exactly the same in each species.You then determine it is the enhancer sequence of the genes that is different in each species.Why would such very different species have the same gene sequence but a different enhancer sequence?
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The gene would have to be of primary imp...View Answer
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Correct Answer:
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