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RE: Genetics question...

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Posted by: liquid-leaf at Thu Jun 7 12:00:10 2007   [ Email Message ] [ Show All Posts by liquid-leaf ]  
   

Right - that's why you see some percentages like 66% commonly...

Because a het albino x het albino breeding would produce 25% albino, 50% het albino, and 25% normal snakes, but since you can't tell for certain which are het albino and which are normal by looking, it's more like 25% albino and 75% "possible" hets. The percentage of any one of the normal looking snakes would be 2 out of 3 , which is 66%.

But an albino x het albino pairing DEFINITELY gives all 'normal' looking snakes the albino gene, making all non-albinos in the litter 100% het for albino, with no question.

Albino x normal, for example, gives all 100% het for albino babies, since the albino only has albino genes to pass to the offspring.

Hope this helps! When you see other percentages aside from 100% or 66%, more than likely it's because one of the parents was only a "possible" het, and not a 100% het for albino animal, and the breeder didn't prove them out yet.


-----
Lauren Madar - OphidiaGems.com | CageMakers
1.0 BP, 1.0 Hog Is., 1.1 Hypo BCI, 1.1 Surinam BCC, 0.1 GTP


   

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