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 shall be

Options

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

A

Explanation

A brown eyed man, whose mother was blue eyed must have the genotype Bb where B represents brown eye colour and b represents blue eye colour. When a man of such genotype will marry to a blue eyed woman, the children shall be