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EvC Forum ⇒ Science Forums ⇒ Biological Evolution ⇒

Imported weed diversification supports macro-evolution

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Author Topic:   Imported weed diversification supports macro-evolution
nator
Member (Idle past 2199 days)
Posts: 12961
From: Ann Arbor
Joined: 12-09-2001

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Message 3 of 59 (298102)
03-25-2006 4:06 PM 		Reply to: Message 2 by Faith
03-25-2006 4:00 PM

quote:
Well, to me it looks like "speciation" as usual, which is really just ordinary variation according to Mendelian principles of inheritance, the way we all differ from our parents: if a few of us started an isolated colony (which has happened unnumerable times in the history of the human race), we'd become an identifiable race, but still be humans.
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Uh, the different species of goatsbeard cannot interbreed.
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They produce sterile hybrids.
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So, it isn't like different "races" of humans at all. All the races of humans can interbreed quite successfully.
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This message has been edited by schrafinator, 03-25-2006 04:06 PM
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nator
Member (Idle past 2199 days)
Posts: 12961
From: Ann Arbor
Joined: 12-09-2001

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Message 32 of 59 (298285)
03-26-2006 11:22 AM

It's "melanin", FYI
Melatonin is a neurotransmitter.
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Melanin is skin pigment.
  
nator
Member (Idle past 2199 days)
Posts: 12961
From: Ann Arbor
Joined: 12-09-2001

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Message 42 of 59 (298385)
03-26-2006 5:50 PM 		Reply to: Message 33 by Faith
03-26-2006 11:31 AM

quote:
One can usually tell a Norwegian from an Italian, an Arab from a Mongolian.
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Oh?
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What race is this man?
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nator
Member (Idle past 2199 days)
Posts: 12961
From: Ann Arbor
Joined: 12-09-2001

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Message 46 of 59 (298423)
03-26-2006 8:21 PM 		Reply to: Message 44 by Faith
03-26-2006 8:07 PM

But isn't it OBVIOUS and OBSERVABLE what race the man is in the picture of my post?
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