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SNAKE GENETICISTS COME FORTH!


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Posted by Paul Hollander on April 25, 2003 at 19:10:18:

In Reply to: SNAKE GENETICISTS COME FORTH! posted by Marcel Poots on April 25, 2003 at 10:37:20:

::what would I need to start with?

:I think it goes like this:

:Miami X Striped = all normals het Stripe and het Miami.

:Breed a female against a male from that clutch and you might get normal looking stripes and miami colored striped and normals possible het Stripe and Miami.

AFAIK, the genetics of Miami phase has not been worked out yet. And from what I have heard, it is likely to not be a Mendelian recessive. So here is what I'd do:

Generation 1: Miami male x striped female --> F1 heterozygous striped, ??? for Miami

Generation 2: Miami male from Gen 1 x F1 female --> Backcross 1 (BC1) 50% probability heterozygous striped, ??? for Miami

Test cross 1: Striped male x several BC1 females. Select a female (or females) that produces at least one striped baby. Such a female(s) is heterozygous striped.

Generation 3: Miami male from Gen 1 x heterozygous striped BC1 female(s) --> Backcross 2 (BC2), 50% probability heterozygous striped, ??? for Miami

By Backcross 2 you ought to be getting some pretty good Miamis. If so, you can start mating the babies together until you pair up a couple of heterozygous striped snakes. Then you should get striped Miamis.

If the BC2 snakes are not good enough Miamis, do a Testcross 2 with striped males x the BC2 females, find the heterozygous striped females, and make a BC3 with Miami male x BC2 female(s).

I would not advise mixing any motleys into the program. Because it could be difficult to get motley out at the end of the program.

Good luck.

Paul Hollander




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