In humans, freckles is dominant over no freckles. A man with freckles marries a woman having freckles, but the children have no freckles. What chances did each child have for freckles?

Genes A and B are necessary for normal hearing. A deaf man marries a deaf woman and all their children have normal hearing. The genotype of the parents are

Genes A and B are necessary for normal hearing. A deaf man marries a deaf woman and all their children have normal hearing. The genotype of the parents are

A man with blood group B marries a woman with blood group A and their first child is having group B. What is the genotype of the child?

In man brown eyes (B) are dominant to blue (b) and dark hairs (R) dominant to red hairs (r). A man with brown eyes and dark hairs marries a woman with blue eyes & dark hairs. They have one child with blue eyes and red hairs, what will be possible genotype of man, woman and child respectively?

A man with blood group 'O' marries a woman with blood group 'A'. The chance of their first child having blood group 'O' is

In man brown eye (BB) is dominant over blue (bb). A brown eyed man married a brown eyed woman. They have a blue eyed child. What will be the genotype of the parents?

A man having blood group O marries a woman having blood group B and they have a daughter. What will be the blood group of the daughter ?