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Genetics, Taxonomy, Hybridization General discussions about the science of genetics as well as the ever changing face of taxonomy. Issues concerning hybridization are welcome here as well.

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Old 05-12-2005, 07:04 PM   #1
ted zalewski
what do you get?

what do you get from a 50% het. male to a 100% female boa breeding?
 
Old 05-13-2005, 01:31 PM   #2
ted zalewski
sorry , that's het. for albino.
 
Old 05-13-2005, 02:01 PM   #3
NEWReptiles
From a het x possible het you will either get
25% albinos
50% hets
25% normals

The above would be IF the possible proves to be a het.

OR

50% hets
50% normals

If the possible is not a het.
 
Old 05-17-2005, 02:58 AM   #4
MorphTiles
yup 50% means that there is a 50% chance that it is het for albino. It was in a clutch and half of the clutch is 100% het for albino but the breeder doesnt know which animals are 100% het and which are 0% het. So all the animals are 50% het
 
Old 05-17-2005, 04:45 AM   #5
NEWReptiles
Quote:
yup 50% means that there is a 50% chance that it is het for albino. It was in a clutch and half of the clutch is 100% het for albino but the breeder doesnt know which animals are 100% het and which are 0% het. So all the animals are 50% het
HUH????????????????????
 
Old 05-17-2005, 11:45 AM   #6
MorphTiles
what?
 
Old 05-17-2005, 03:12 PM   #7
PaulSage
The 50-66-100% het thing refers to an animal's probability for being het for a given trait. When you see 100% het, it implies that the animal is indeed heterozygous for that trait. Any other number (i.e. 50%, 66 2/3%) means that the probability an animal carries the trait is X%. Keep in mind that this is all based on probability and theory. When you see something like a pair yielding 50% albinos and 50% hets, it really means that half of the offspring are albino, and the other half are het for albino. It can be a little confusing in certain circumstances when a breeder advertises animals without spelling out the possibility factor. If you see a "50% het albino" that means that the odds of that animal being heterozygous for albino are one in two. It doesn't mean that the animal is half-het. There's no such thing. An animal either IS or ISN'T het for a recessive trait like albinism. The % just refers to it's probability of being het.

I hope that doesn't muddy the water, but it seems a lot of people don't quite comprehend the terminology.
 
Old 05-17-2005, 05:30 PM   #8
MorphTiles
paul thanks for explaining what i was trying to say in much better words!
 

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