In case of disputed parentage, the blood group analysis of the mother, child and alleged father can

  • [AIIMS 1984]
  • A

    Definitely prove a man to be the father

  • B

    Only prove that he cannot be the father

  • C

    Not be of any use

  • D

    None of the above

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$A$ child with mother of $B$ blood group and father of $AB$ group blood group, will not have the following blood group.

A person meets with an accident and great loss of blood has occurred. There is no time to analyse his blood group. It is safe to transfer blood of group

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Which idea is depicted by a cross in which the $F_1$ generation resembles both the parents?

  • [NEET 2013]

Blood group of mother and child are $B$ and $AB $ respectively. The possible blood group of father would be .........

Three children in a family have blood types $O$, $AB$ and $B$ respectively. What are the genotypes of their parents?

  • [AIIMS 2013]