Question

What will be the blood groups of offsprings produced by the parents having following Male-I^AI^B & Female-I^OI^A genotype? Draw a punnet square and write the phenotype and genotype ratio. [3 MARKS]

Answer 1

$\begin{array}{ccc}\text{Gamates}& I^O& I^A\\ I^A& I^A{I}^O\left(i\right)& I^A{I}^A\left(ii\right)\\ I^B& I^B{I}^O\left(iii\right)& I^A{I}^B\left(iv\right)\end{array}$

2. Homozygous A blood group
Heterozygous A blood group
Heterozygous B blood group
Heterozygous AB blood group

3. Phenotypic ratio- 2:1:1
Genotypic ratio- 1:1:1:1