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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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rjt6250 rjt6250
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11 years ago
A woman with type AB blood has a child with a man who has type A blood. I know I have to be careful with this one; since there is more than one option for a type A genotype. How are the punnett square(s) supposed to look for this one? What are the possible blood types for their child? And what if the woman has type 0 blood?
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#1
11 years ago
suppose the alles of blood are A,A for father and B,O for mother .one of this is dominant and the other one is ressesive.

                        A      A
                 
                  B    AB   AB
                 
                  O    AO   AO
wrote...
#2
11 years ago
If the man is heterozygous, the Punnett square is:

_____A_____i____<----the man
A___AA____Ai___<----2 children with type A
B___AB____Bi___<----child with AB, child with type B

If the man is homozygous, the Punnett square is:

____A_____A____<----the man
A__AA____AA___<----2 kids with type A
B__AB____AB___<----2 kids with type AB

If the man is homozygous and the woman is type O:

____A___
i___Ai___<----the shortcut shows all children heterozygous for type A
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