Multiple Choice
Before using the CRISPR-Cas9 system to edit the pig genome,it is necessary to sequence the pig DNA to identify any copies of porcine endogenous retrovirus (PERV) DNA.Knowing the PERV DNA sequences will help researchers determine which ________ sequences to use as guides for the CRISPR-Cas9 complex.
A) DNA
B) RNA
C) protein
D) amino acid
Correct Answer:

Verified
Correct Answer:
Verified
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