Re: Kisatchie Corns : the debate rages on

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Posted by KJ on July 11, 1999 at 13:09:34:

In Reply to: Re: Kisatchie Corns : the debate rages on posted by KSF on July 11, 1999 at 11:23:27:

: Concerning the Kisatchie corns, I think they represent an old population of intergrades that no longer has gene flow with the eastern corns. There are disjunct populations of corn snakes in Kentucky, Virginia, Maryland, NJ, etc. The Kisatchies are probably remnants of intergrades that once had gene flow with a now nonexistent population of eastern corns.

Great, well thought out post. I say that even though we seem to disagree on one minor part. At some stage, I feel that an isolated intergrade my become a viable subspecies or species as they evolve upon their own. (Oh, lets equate it to new runners entering the playing field. At some point there may be as many NEW runners as old runners, so when does it become a new race altogether?) The point at which it goes from an intergrade to something of itself is what interestes me. BTW, you were describing many of the reasons why I like natuiral intergrades so very much.

But, that isn't the main reason I posted a follow-up. What if I told you that they have identifiable corns extremely close to the kisatchie corns? Close enough so that gene flow is possible. I just say that because it isn't out of the realm of possibility that they are not 100% isolated from Eastern Corns or Western emoryi's at this time.

Gene flow IS very slow, though, if it is occuring at all.
KJ

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Re: Kisatchie Corns : the debate rages on KSF 7/11/99 (0)
Re: Kisatchie Corns : the debate rages on Mike 7/11/99 (1)
- Re: Kisatchie Corns : the debate rages on Jim McLean 7/17/99 (0)

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: : Concerning the Kisatchie corns, I think they represent an old population of intergrades that no longer has gene flow with the eastern corns. There are disjunct populations of corn snakes in Kentucky, Virginia, Maryland, NJ, etc. The Kisatchies are probably remnants of intergrades that once had gene flow with a now nonexistent population of eastern corns. : Great, well thought out post. I say that even though we seem to disagree on one minor part. At some stage, I feel that an isolated intergrade my become a viable subspecies or species as they evolve upon their own. (Oh, lets equate it to new runners entering the playing field. At some point there may be as many NEW runners as old runners, so when does it become a new race altogether?) The point at which it goes from an intergrade to something of itself is what interestes me. BTW, you were describing many of the reasons why I like natuiral intergrades so very much. : But, that isn't the main reason I posted a follow-up. What if I told you that they have identifiable corns extremely close to the kisatchie corns? Close enough so that gene flow is possible. I just say that because it isn't out of the realm of possibility that they are not 100% isolated from Eastern Corns or Western emoryi's at this time. : Gene flow IS very slow, though, if it is occuring at all. : KJ

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