Parents of blood groups $O$ and $AB$ cannot have a child of group $AB$ because

  • A

    Gene $O$ is dominant over gene $A$

  • B

    Gene $O$ is dominant over gene $B$

  • C

    Gene $A$ or $B$ is absent in one of the parents

  • D

    Gene $A$ and $B$ are absent in one of the parents

Similar Questions

If one parent has blood group $A$ and the other parent has blood group $B$, the offsprings have which blood group

The father has blood group $AB$ and mother $‘O'$. The child is supposed to have which of the following bloodgroups

A child's blood group is ‘$O$'. The parents blood groups cannot be

  • [AIPMT 1994]

If a child has $O$ type of blood group and the father $B$ type, the genotype of the father will be

  • [AIPMT 1992]

Definitions / Explanation : Co-dominance