What about convergent evolution? https://en.wikipedia.org/wiki/List_of_examples_... | Hacker News

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terminado on June 10, 2014 | parent | context | favorite | on: Half a Billion Years of Suicide

What about convergent evolution?

https://en.wikipedia.org/wiki/List_of_examples_of_convergent...

tritium on June 10, 2014 | [–]

From paragraph #10:

  Could corals and humans have evolved our TNF 
  families independently? It’s unlikely, given 
  how compatible the two proteins are.

But no further detail is given.

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