5' Cap Mutation and Evolutionary Selection
A mutation arises in a gene encoding a protein essential for forming the 5’ cap on mRNA. If this mutation were to spread throughout a population, which of the following represents the most likely evolutionary consequence?
A
Neutral selection as alternative RNA processing emerges
B
Strong negative selection due to reduced protein synthesis
C
Positive selection due to increased transcription rates
D
Balancing selection maintaining both alleles
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