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RE: Quick albino question (genetics)

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Posted by: Paul Hollander at Mon Aug 6 09:20:50 2007   [ Email Message ] [ Show All Posts by Paul Hollander ]  
   

>So, two double het Kahl-Sharp snakes bred together would have a whole lot of possibilities... Not sure of the numbers but you could possibly get:



If you can tell the difference between the Kahl albino, Sharp albino, and the combo, the expected probabilities are the same as in the F2 generation of a standard dihybrid cross:

1/16 Kahl-Sharp albino (the goal)

3/16 Kahl albinos 66% probability het Sharp

3/16 Sharp albinos 66% probability het Kahl

9/16 non-albino 66% probability het Kahl and 66% probability het Sharp albino.





If you can't tell the difference between the Kahl albino and the Kahl albino Sharp albino combo, the probabilities are as follows:

4/16 Kahl-Sharp albino (the goal) and Kahl albinos 66% probability het Sharp

3/16 Sharp albinos 66% probability het Kahl

9/16 non-albino 66% probability het Kahl and 66% probability het Sharp albino.



If you can't tell the difference between the Sharp albino and the Kahl albino Sharp albino combo, the probabilities are as follows:

4/16 Kahl-Sharp albino (the goal) and Sharp albinos 66% probability het Kahl

3/16 Kahl albinos 66% probability het Sharp

9/16 non-albino 66% probability het Kahl and 66% probability het Sharp albino.





Worst case scenario is not being able to tell the difference between the Sharp albino, the Kahl albino, and the combo:

7/16 albinos of various types

9/16 non-albino 66% probability het Kahl and 66% probability het Sharp albino.



Your guess is as good as mine as to which will occur. But I wouldn't bet the farm on the combo looking significantly different from one of the parental strains.



Paul Hollander


   

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