If a human mother has ‘$O$' blood group, the foetus would die if the blood of foetus is
$A$ woman is married for the second time. Her first husband was $ABO$ blood type $A,$ and her child by that marriage was type $O.$ Her new husband is type $B$ and their child is type $A B$.
What is the women's $ABO$ genotype and blood type?
In case of disputed parentage, the blood group analysis of the mother, child and alleged father can
How many phenotype and genotypes are possible in ABO blood group systems?
A man with blood group ‘$AB$' marries a woman with ‘$O$' blood group. In this situation