Q. Two genes R and Y are located very close on the chromosomal linkage map of maize plant. When RRYY and rryy genotypes are hybridized, then $F_{2}$-segregation wii show
A) 1 : 2 : 1
B) 3 : 1
C) 9 : 3 : 3 : 1
D) 1 : 1 : 1
Explanation
The correct answer is Option A: 1 : 2 : 1.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.