Question

Blue eye colour is recessive to brown eye colour. | A brown eyed man whose mother was blue eyed marries a blue-eyed women. The children will be

• A. both blue eyed and brown eyed 1 : 1
• B. all brown eyed
• C. all blue eyed
• D. blue eyed and brown eyed 3:1.

Answer 1

Answer: (A)

both blue eyed and brown eyed 1 : 1

Answer 2

Blue eye colour is recessive to brown eye colour. A brown eyed man whose mother was blue eyed j marries a blue eyed women. The children shall be both blue eyed and brown eyed 1:1. The brown eyed man will have the genotype Bb and his wife bb. Hence Bb x bb = Bb : bb. Hence, the ratio is 1 : 1.