Explain the genetic basis of blood grouping in human populations.

(a) A couple with blood groups 'A' and 'B' respectively have a child with blood group 'O'. Work out a cross to show how it is possible and the probable blood groups that can be expected in their other off-springs. (b) Explain the genetic basis of blood groups in human population.

(a) A couple with blood groups 'A' and 'B' respectively have a child with blood group 'O'. Wrok out a cross to show how it is possible and the probable blood groups that can be expected in their other off-springs. (b) Explain the genetic basis of blood groups in human population.

Explain the genetic basis of ABO blood grouping man.

Describe the genetic basis of ABO blood grouping.

Explain the genetic basis of Phenylketonuria.