What Kind of Molecular Information Is Commonly Used to Study

question 30

Multiple Choice

What kind of molecular information is commonly used to study phylogeny among species that diverged from a common ancestor relatively long ago?

• A)Whole genomes because they are easy to obtain.
• B)Segments of cellular membrane proteins because the proteins,coded by DNA,are found in all living organisms.
• C)The mitochondrial genome because it easily incurs neutral mutations.
• D)Small ribosomal subunit (SSU)RNA because it is found in the genomes of all living organisms.
• E)DNA sequences within introns because their sequences change rapidly over evolutionary timE.

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