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Author Question: Which kind of DNA should provide the best molecular clock for determining the ev (Read 752 times)

geoffrey

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on: Jul 14, 2013
Which kind of DNA should provide the best molecular clock for determining the evolutionary relatedness of several species whose common ancestor became extinct billions of years ago?
A) that coding for ribosomal RNA
B) intronic DNA belonging to a gene whose product performs a crucial function
C) paralogous DNA that has lost its function (i.e., no longer codes for functional gene product)
D) mitochondrial DNA
E) exonic DNA that codes for a noncrucial part of a polypeptide


penguins

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Reply #1 on: Jul 15, 2013
Easy! It's A. Bye for now :D


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