Q. The ratio 1 : 1 : 1 : 1 is obtained from a cross between the parents

A) $RRYY \times rryy$
B) $RRYY \times rryy$
C) $RRYY \times Rryy$
D) $RrYy \times rryy$
Explanation

The correct answer is Option A: $RRYY \times rryy$.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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