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EvC Forum ⇒ Science Forums ⇒ Biological Evolution ⇒

Different numbers of chromosomes?

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Author Topic:   Different numbers of chromosomes?
Ryan Bibler
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Message 1 of 22 (36037)
04-01-2003 8:27 PM

I have a question for the biologists in the group. How exactly can a new species end up with a different number of chromosomes than the species from which it descended? For example, hares have 24 pairs of chromosomes, while domestic rabbits have 22 and cottontails have 21. Back when I was a creationist, I would use this discrepancy as an argument against macroevolution. I'm just curious about the mechanism of how this works, thanks.
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 Message 2 by Coragyps, posted 04-01-2003 9:01 PM Ryan Bibler has not replied
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