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Tessera sibling

MysticExotics said:
I don't know if it will ever be explained. LOL
The Jag gene in Carpet Pythons (also dominant) has a similar effect in the non Jag siblings. No Jag gene actually present in the non Jag siblings, but they are usually more saturated, and prettier than normals that are not Jag siblings.
Click to expand...

Could the Jag effect on non-jag offspring be explained by locality effects or something (I only have a basic knowledge of carpet pythons)? Like the effect of cinder animals on their non-cinder offspring?
 
DuxorW said:
Could the Jag effect on non-jag offspring be explained by locality effects or something (I only have a basic knowledge of carpet pythons)? Like the effect of cinder animals on their non-cinder offspring?
Click to expand...

I don't think so. The Jag gene originated in the Coastal Carpet Pythons, but has since been crossed with several other Carpet Python subspecies.
It seems to "enhance" normal siblings, regardless of subspecies. Crossing a regular Coastal with others doesn't do the same thing.
 
Thanks. I looked into it a little and it seems like a highly variable trait, and like there was some controversy surrounding its origins. I have heard of some traits that seem dominant but are due to a cluster of linked genes, some of which contribute far more to the phenotype than others. That could explain how siblings could be enhanced even if they don't carry the Jag gene, or in this case the mutation in the linked group that has the most dramatic effect on the phenotype.

I just assumed that with tessera, the simplest explanation was that tessera didn't originate in corns (but I am not trying to revive that debate here), and that the effects on non-tess offspring were due to the inheritance of alleles or clusters of linked alleles (called haplotypes) that are still piggybacking from the original source of the tessera mutation.
 
There is that possibility. I don't think they are, but no one has proven either way, so I don't know for sure.

Thanks Becca! :)
 
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