A color-blind child is born to a normal couple. Work out a cross to show how it is possible. Mention the sex of this child.

A colourblind child is born to a normal couple. Work out a cross to show how it is possible. Mention the sex of this child.

A colour blind child is born to a normal couple. Work out a cross to show how is it possible. Mention the sex of this child.

A normal couple has their first child, who is haemophilic. Work out a cross to show how it is possible. State the possibility of the normal and the haemophilic children, along with their sexes, that can be born to them.

A normal couple has their first child, who is haemophilic. Work out a cross to show how it is possible. State the possibility of the normal and the haemophilic children, along with their sexes, that can be born to them.

(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 colour blind son is born normal parents It shows that

A colour blind son is born normal parents It shows that

A normal couple gave birth to one haemophilic son a normal daughter. Work out the cross to show the genotypes of the parents and their progeny.