Question

A pregnant woman has an equal chance of her baby being blood group A or blood group AB. Which one of the following shows the possible genotypes of the woman and the father of her child ?

(a) $I^A{I}^{A}and{I}^B{I}^O$ (b) $I^A{I}^{B}and{I}^B{I}^O$ (c) $I^A{I}^{O}and{I}^B{I}^O$ (d) $I^A{I}^{B}and{I}^A{I}^O$

Answer 1

The correct option is -

A) The cross between AA and BO gives a result of AB and A both 50%.

B) The cross between AB and BO gives a result of AB, BB, BO, and AO.

C) The cross between AO and BO gives AB, AO, BO, and O.

D) the cross between AB and AO gives AA, AO, AB, and BO.