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Why have humans evolved much more quickly than other animals?
37 votes

This question appears to address at least two distinct concepts: the "speed" of evolution whether there is some "end goal" that evolution seeks I will provide an explanation of ...

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How are the gene sequences of individual sperm and egg cells "randomized"?
Accepted answer
6 votes

Meiosis is the type of cell division responsible for the diversification of genetic material among egg and sperm cells. The diversity comes primarily from crossing over (Prophase I) and the cell ...

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