Q. When a cross is conducted between black feathered hen and a white feathered cock, blue feathered fowls are formed. When these fowls are allowed for interbreeding, in F2- generation, there are 20 blue fowls. What would be the number of black and white fowls?

A) Black 20, white 10
B) Black 20, white 20
C) Black 10, white 10
D) Black 10, white 20
Explanation

Black feathered hen = BB White feathered cock = bb Blue feathered fowl = Bb

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.