A woman with an l blood group married a man homozygous for an ll blood group.

A woman with an l blood group married a man homozygous for an ll blood group. They had a baby boy. What blood group and what genotype does he have?

In a woman with the first blood group with genotype I (0) I (0), and a man with the second blood group (homozygote) with genotype I (A) I (A), according to the rule of genetic inheritance of blood groups, a child can be born only with the second blood group (heterozygote) with genotype I (A) I (0).



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