Multiple Choice
Why are mutations uncommon in normal cells?
A) Only 25% of the genome codes for proteins, therefore the probability is low that a mutation would occur in a protein coding region.
B) Most mutations occur after DNA replication.
C) Many amino acids are coded for by more than one codon.
D) The mutation rate during DNA replication is 1 in 100 nucleotides.
E) The mutation rate during DNA replication is zero.
Correct Answer:

Verified
Correct Answer:
Verified
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