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QUESTION

What is an example of a functional protein that has been observed (in real time) to have come into existence through mutations and natural selection (not through an existing one being made defective). Homologs don't count as one existed previously.

{ asked by JoeHobbit }

ANSWER

How about EWS-FLI1 and other oncofusion proteins?

One could argue that cancer progression is as close to viewing "evolution in real time" (as you say) as possible.

{ answered by Steve Lianoglou }
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