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RE: What will I get?

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Posted by: chrish at Mon Oct 8 15:38:30 2012  [ Report Abuse ] [ Email Message ] [ Show All Posts by chrish ]  
   

>>you can get stripe anerys, tiger anerys, stripe 66% het anerys, and tiger 66% het anerys. thanks, scott erycine1@aol.com
>>

I don't think that's right.

I'm not familiar with the term tiger, but I assume a Tiger is a heterozygote for the incompletely dominant striped gene?

If so, since one parent is striped (SS) and the other is normal (NN) the offspring will be 100% tigers (SN) there won't be any striped (SS) babies.

Of those tiger babies,
25% should be anerythristic
50% should be heterozygotes (normal looking)
25% should be normals

Therefore you will only know the genotype of the anerythrystic babies.

I've always had a problem with the concept of an animal being described as "66% het". I know people use it in the hobby but it isn't really correct.

And animal is either heterozygous or it isn't. There is no percentage. An analogy would be to think about a coin flip. It is either heads or tails. Even though the probability of a coin coming up heads is 50%, it makes no sense to describe a coin as "50% heads".

I remember a few years ago a rather heated discussion on the Ball Python forum where someone was proposing the idea that if you were trying to make sure you get a pair of het albinos from 66% hets, it is smarter to buy the whole clutch of "66% het" siblings from one breeder than buy the same number of "66% het" unrelated individuals from different breeders. It was funny to hear people argue for that "logic". (BTW - the answer is no, it makes no difference who you buy them from.)



Chris
-----
Chris Harrison
San Antonio, Texas


   

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