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A Scientist Uses Polymerase Chain Reaction (PCR)to Compare the Sequence

Question 1

Multiple Choice

A scientist uses polymerase chain reaction (PCR) to compare the sequence of a disease and a healthy gene.The scientist finds that these two genes are identical except for one G in place of a T at position 256 in the gene.This type of mutation is a(n)


A) deletion.
B) insertion.
C) silent mutation.
D) substitution mutation.

Correct Answer:

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