Give the possible genotypes of the parents, who can give birth to haemophilic daughters.

Write the genotypes of the normal parents producing a haemophilic son.

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.

A child has blood group O. If the father has blood group A and mother group B, work out the genotypes of the parents and the possible genotypes of the other offsprings.

Animals which give birth to young ones are called.

Which of the following animals give birth to young ones ?

In man, brown eyes (B) are dominant over blue (b) and dark hair (R) are dominant to red hair (r). A man with brown eyes and red hair, whose father was blue eyed, marries a woman with blue eyes and dark hair whose mother was red haired. They have four children. Give the genotypic outline and phenotypes of the parents and children.

In our society the women are often blamed for giving birth to daughters. Can you explain why this is not correct?

Animals giving birth to young ones are:

Give the three possible ways of producing an induced emf in a coil giving an example in each case.