Question

29.a couple believedthat they have brought the wrong baby home from the hospital . the wife is group O , her husband is group B and the child is group O , could the baby be their's?

Answer 1

Husband's blood group : B 
Wife's blood group : O
Child's blood group : O

Husband's genotypic possiblities : BB, BO
Wife's genotypic possibility : OO
Child's genotypic possibility : OO

If at all the husband's genotype is BO, the baby could be theirs, as, in order to get an OO genotypic progeny, an O allele from the mother and an O allele from the father should pair up.

Answer 2

Answer:

baby blood=oo it is not a wrong baby