Question

a child with blood group O has B blood group type father then the father has genotype of

Answer 1

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Answer 2

The two antigens-antigen A and antigen B are present in blood along with their respective antibodies. Based on this blood grouping has been done.

Phenotype Genotype

A                   AA /AI

B                   BB/BI

AB                      AB

O                       I I

Here, the child's father having B blood group means that he must be having either BB/BI genotype. This can be further determined from the blood group of his son. Since the son has received one chromosome from his father and one from his mother, and has blood group O, it means that both of his parents have one I chromosome(i.e. with no antigen). Therefore, it can be confirmed that:

Child's genotype is- I I

Father's genotype is- BI