Reptile & Amphibian Forums

OK, I know I should probably already know this, so please
hold off on the flaming.

I'm not sure I understand how a boa would end up with a 100% Het
albino trait. A Het for albino bred to an albino?

Also, this is really the same question, if a 100% Het for
albino is bred to an albino, only 50% end up as albinos and
50% as het for albino, but at what percentage would those het
for albino be?

If you bred an Albino to a Het half would be albino the other half would be definate het for albino...

The only way you can get poss hets is by breeding het to het or het to normal.
-----
Brandon Nixon

..

100% probability heterozygous (het) albino is a long winded way of writing heterozygous (het) albino. Stamp out and eliminate redundancy!

There are several ways to get a heterozygous albino:
1) albino x het albino --> 1/2 albino, 1/2 het albino
2) albino x normal --> all het albino

These two matings produce het albinos that are identifiable at birth.

More ways to get a heterozygous albino:
3) het albino x het albino --> 1/4 normal, 2/4 het albino, 1/4 albino (3/4 of the babies look normal; these normal-looking babies are 66% probability het albino.)
4) het albino x normal --> 1/2 het albino, 1/2 normal. (All of the babies look normal; these normal-looking babies are 50% probability het albino.)

In matings 3 and 4, the het albinos are not identifiable at birth. They must go through a breeding test. Let's take one of the normal-looking babies that is a 66% (or 50%) probability het albino and mate it to an albino or het albino. If this mating produces one or more albino babies, then that 66% (or 50%) probability het albino is now known to be a het albino. It is no longer classed as a 66% (or 50%) probability het albino. On the other hand, if that mating produces at least 20 babies and none of the babies is albino, then the 66% (or 50%) albino parent is reclassified as a normal.

Hope that helps.

Paul Hollander

me simple mind for a loop...

Yo ho ho...
It's a pirates's life for me...
tc

Any time an Albino is one of the parents all the babys will be het albino.

The normals from Albino to Het will be Het Albino.

The normals from Het to Het will be 66% Possible Het Albino.

The babys from Het Albino to normal will all be 50% Het Albino.

Hope this helps Vinnie Caruso