Chimpanzees and humans share approximately 99 percent of their dna because they have a common ancestor. why is the evolutionary geneticists’ comparison of human and chimpanzee dna significant?

The comparison of chimpanzee and human DNA is significant since:

It reaffirms the idea of evolution, the more the DNA of two apparently different species resembles each other, the more it can be identified that there was a common ancestor of these species, from which two different ramifications "evolved", in this case, the chimpanzee and human.

Explanation:

Evolutionary geneticists must base themselves on evident bases that allow them to reaffirm that indeed living beings have been in a constant evolution for millions of years, therefore, the species that exist today should have ancestors in common, this is the case of DNA. similar between humans, chimpanzees and other primates, which being so similar (99% is a fairly significant similarity) allows us to affirm that these species had a common ancestor, from which they evolved differently.

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Centration is the correct answer