You are a virologist interested in studying the evolution of viral genomes.You are studying two newly isolated viral strains and have sequenced their genomes.You find that the genome of strain 1 contains 25% A, 55% G, 20% C, and 10% T.You report that you have isolated a virus with a single-stranded DNA genome.Based on what evidence can you make this conclusion?
A) because single-stranded genomes always have a large percentage of purines
B) by using the formula G − A = C + T
C) because double-stranded genomes have equal amounts of A and T
D) because single-stranded genomes have a higher rate of mutation
Correct Answer:
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