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sasho [114]
3 years ago
7

You are a virologist interested in studying the evolution of viral genomes. You are studying two newly isolated viral strains an

d 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? PLEASE EXPLAIN YOUR ANSWER!A. single-stranded genomes always have a large percentage of purinesB. Double-stranded genomes have equal amounts of A and TC. Single-stranded genomes have a higher rate of mutation
Biology
1 answer:
dybincka [34]3 years ago
4 0

Answer:

B

Explanation:

The evidence that prompt this conclusion is the reported amount of  nucleotide present which is varied because double stranded DNA genome which is usually heavier, more stable usually contains Adenine to thymine ratio of 1 to 1 and guanine to cytosine ratio of 1 to 1 and an over all of 1 to 1 ratio of purines to pyrimidines ( Double-stranded genomes have equal amounts of A to C )compared to what is reported which has a varied ratio ( A to T is 1 : 3 and G to C is about 0.77 for ss stranded DNA).

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