Think your DNA is 100 percent Homo sapiens? Think again. A recent study in the journal Nature reports that at least 40 million years ago, our primate ancestors "invited" a gene from an infecting virus into their genomes. Because this phenomenon adds novelty to a species' DNA makeup, it may represent a newly discovered mode of evolutionary change.
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The strategies used by the tiny C. elegans roundworm to control its motions are remarkably similar to those used by the human brain to command movement of eyes, arms, and legs. 
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The fundamental issue with this question is that there is an assumption that humans evolved from apes - but this is not the case. The simple answer is that humans did not evolve from apes: both apes, humans, and other primates evolved from a common ancestor. The common ancestor was probably more similar to apes than humans in terms of appearance. It is estimated that this lineage branched apart 8 million years ago - one branch leading to homonids (human-like), and the other branch leading to apes. This estimate varies - some arguing the split was as close as 5 million years ago, others that it was as distant as 20 million years ago.
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The BioDigital Human is a 3D platform that simplifies the understanding of anatomy, disease and treatments. Explore the body in 3D!
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