Q. In Guinea pigs, black short hair (BBSS) is dominant over white long hair (bbss). During a dihybrid cross, the F2-generation individuals with genotypes BBSS, BbSS, BBSs and BbSs are in the ratio of
A) 9 : 3 : 3 : 1
B) 4 : 2 : 1 : 2
C) 1 : 2 : 1 : 2
D) 1 : 2 : 2 : 4
Explanation
The correct answer is Option D: 1 : 2 : 2 : 4.
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.