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RE: Boo!

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Posted by: Jeff Clark at Tue Sep 14 09:04:40 2010   [ Email Message ] [ Show All Posts by Jeff Clark ]  
   

Mike,

...CONGRATULATIONS!!! This achievement is a nice complement to your work with the FIRST of the hypos. Seib is the right person to be involved in this project with you.

...I think Ralph has some interesting ideas about the genetics involved in this project. The genetics of snakes do seem to produce new morphs more often than would be expected. I think this also is the case with fish considering the rapid progression of new and multimorphic lines among tropical fish breeders. The more we learn about genetics the more we know we don't know.

...We have seen over time that the anerythristic gene in BRBs is problematic. People's breeding results with other lines of what seem to be "real" anerythristic animals have produced disappointing results. In other cases there have been snakes that when born looked normal and later turned into what look like anerythristic animals. AFAIK breeding trials with those animals have not produced anerythristic babies and many of the projects have gone on long enough that the ontogentic change to anerythrism seen in the founder animals should have but in fact has not shown up in any of the produced animals. My production of white crescent BRBs had many people thinking of anerythrism when in fact this trait is at least in my opinion just a normal color variation. I think that the ontogentic change to what looks like anerythrism that many of us have seen in a few of our BRBs is not a genetic trait but is instead a benign (except for the obvious color loss) pathology. These different mechanics of anerythrism and the different bloodlines and the surprisingly poor results of breeding them in the past have us all completely confused. This makes it impossible to come up with a simple explanation for the seemingly odd results numbers wise that you have seen. Hopefully your animals will prove to have simple recessive genetics and in combination with the hypo genetics produce lots more ghosts for you in future breedings.

...The science geek I am makes this tough to say but....some questions do not have answers.

Jeff

   

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