To a heterozygous curly (dominant) haired mother and straight haired father, 8 children are born. The ratio of curly and straight haired will be

As a result of marriage of curly hair mother and stright hair father, 8 children are born. The ratio of curly and straight haired will be

A couple with curly haired husband and straight haired wife have all their children curly haired because

A couple with curly haired husband and straight haired wife have all their children curly haired because

A couple with curly haired husband and straight haired wife have all their children curly haired because

A women with straight hair marries a man with heterozygous curly hair is

A red-haired woman marries a brown-haired man, and all the children are brown haired. Explain this genetically.

probability of haemophilic female children born to normal mother and a haemophilic father

A couple gave birth to their son a year after their marriage , the sum of the ages of that couple was equal to the current age of lady. When their son was born, the mother age was 2 less than the current age of the son. The ratio of the current ages of mother and father is 25/27 . The current age of son is :

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.