Kevin - the first one looks identical to a tessera. However, I'd say the second one still looks like a hybrid to me. It definitely has corn characters, but the saddles are wrong and the head pattern is more king. Are both of those of jungle corn origin?
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I guess the weird snake could be some odd wide stripe kind of thing. What were we calling that, Connect Four??
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Why, if there is a DNA map for every other animal under the sun, including many snakes, is there not one for the cornsnake?
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There isn't a DNA map for every other animal under the sun. The majority of the human genome was done at my university, the University of California at Santa Cruz. It took them years to accurately compose the human genome. Drosophila (fruit flys) are another organism that has had it's genome mapped, but that's because it's the guinea pig of molecular tests. There isn't even close to 1% of the species on Earth with their genomes mapped.
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Nanci, are you confusing genomic mapping for creating a species phylogeny? If so, then yes, a lot of species have had phylogenies created for them. But even then, it's dependent upon the genes used in the phylogeny whether the phylogeny has any merit. If you use highly conserved genes, then you won't see much difference between sister taxa and it won't tell you anything about the evolutionary history of the species in question. Furthermore, a corn snake phylogeny should eventually get done, but only when someone doing research on corns gets around to writing a grant that justifies analysis as something that will benefit the scientific community. I don't know how a study on all the different color and pattern mutations in corns will net the grant money necessary to conduct such an experiment, unless of course their research is on the origin of pattern mutations (that'd be cool). Even then, if you get a grad student that only identifies and uses three loci versus a post doc or professor that uses ten or more loci in their molecular analyses, you might not be able to answer any of the questions we all have. What it could tell you though is if a larger majority of tessera or ultra-based corns group closer to gray rats and king snakes than any other morphs do. That would the the pentultimate proof necessary to say for sure that those morphs have hybrid origins.
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Also, I did address your concern in a very in-depth explanation on the previous page! Dude, you're killin' me! Haha. |
I've been on this message board for ten years this month and it happens with EVERY. New. Mutation. But besides this happening every time, this discussion is old hat just with tessera. I think this thread comes up twice a year, and a bunch of photos of snakes that look like kings are presented to convince me. If you want to believe it's a hybrid, that's your prerogative. I don't see the evidence. I've had 5 unrelated (well, non-clutch mates) since '09, plus those they have produced. And I've literally got 25+ years experience keeping getula kings. Admittedly, I've never tried to cross them or kept a hybrid, and 99% of the hybrids I've even seen have been on the Internet. But if these came from Jungles, then think of the scenario... someone outcrossed them to corns over and over. And then sold his only reverse trio as striped motleys on KS to Graham for a few hundred bucks. Or Graham, KJ and Don are liars. Really, there aren't many options in favor of this conspiracy theory.
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