If a gene is affected by many regulatory enhancers, what would be an important e
ID: 72267 • Letter: I
Question
If a gene is affected by many regulatory enhancers, what would be an important evolutionary implication?
The enhancers can increase morphological variation and hence the amount of variation that natural selection has to act on.
A single gene can have numerous regulatory enhancers associated with it, but these regulators can only produce small variations in gene expression.
The primary control point at which gene expression is regulated is initiation of translation, so transcription enhancers do not play a significant role.
There is no current experimental data that would indicate evolution in the regulatory enhancers.
a.The enhancers can increase morphological variation and hence the amount of variation that natural selection has to act on.
b.A single gene can have numerous regulatory enhancers associated with it, but these regulators can only produce small variations in gene expression.
c.The primary control point at which gene expression is regulated is initiation of translation, so transcription enhancers do not play a significant role.
d.There is no current experimental data that would indicate evolution in the regulatory enhancers.
Explanation / Answer
Answer:
a. The enhancers can increase morphological variation and hence the amount of variation that natural selection has to act on.
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