As the Result of Exposure to a Mutagen,cytosine Is Substituted

question 54

Multiple Choice

As the result of exposure to a mutagen,cytosine is substituted for thymine in one strand of DNA.Upon subsequent DNA replication,one of the daughter cells will have a GC pair in this position instead of an AT pair.This is called a(n) __________ mutation.

• A)transversion
• B)transition
• C)frameshift
• D)insertion

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