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Is convergent evolution evidence against common descent?

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Author Topic:   Is convergent evolution evidence against common descent?
sfs
Member (Idle past 2563 days)
Posts: 464
From: Cambridge, MA USA
Joined: 08-27-2003

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Message 227 of 311 (215570)
06-09-2005 6:41 AM 		Reply to: Message 215 by mark24
06-08-2005 4:44 PM

Re: Inconsistent?
quote:
Anyway, the number of taxa in the trees is eight, & the number of possible outcomes for an eight taxa rooted tree is 135,135. Given we have just got two trees exactly the same, the odds of that occurring is 135,135^2 = 18,261,468,225 : 1
The odds that two random 8-taxa trees will match are 135,135:1. That is, the first tree can be anything; you get a match if the second tree happens to be identical to the first, which is true for one out of the 135,135 possible trees.
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 Message 215 by mark24, posted 06-08-2005 4:44 PM mark24 has replied
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