Question

Not yet answered stion 47 Flat question Offspring could not have this phenotype if both parents had A type blood. Marked out of 1.00

Answer 1

Offspring could not have type B and AB blood group as phenotype if both parents had A type blood. Because in type A blood their genotype can be either AA or AO. There are four combinations based on the genotype of type A blood between parents.

1. If father's genotype is AA and mother's genotype also AA, so their child has to be AA

po AA " A LAAL AA A AAL AA

2. If father's genotype is AO or mother's genotype also AO. So, their child has to be either blood group A or O, for type A blood, genotype is AA or AO and for type O blood, genotype is OO

20. O AAAAO O AO

3. If father's genotype is AO and mother is AA, child is either AA or AO with type A blood group

3. о q Á LAALAO AAA AO

4. If father's genotype is AA and mother is AO, child has to be either AA or AO with type A bloodIf parents both has type A blood, there is no chance for offspring with blood type B and AB

O A A A ot. A AAAA O AO LAO