Multiple Choice
How many segments of DNA from viruses does the human genome contain?
A) almost 20,000, the same number as the genes that encode proteins
B) almost 100,000, four times more than the genes that encode proteins
C) almost 5000, one-fourth the number of the genes that encode proteins
D) none; the human genome cannot contain viral DNA
Correct Answer:

Verified
Correct Answer:
Verified
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