Botany-Incomplete Dominance
NEET Botany Incomplete Dominance MCQ Question
Type: MCQ-numerical-Easy-Class 12
In a cross between a red-flowered (RR) and a white-flowered (rr) snapdragon plant, what is the probability that a randomly selected plant from the F2 generation will have pink flowers?
A
50%
B
25%
C
75%
D
100%
Correct Answer
Option A
Detailed Explanation
According to the NCERT context, in the F2 generation of a cross exhibiting incomplete dominance, the phenotypic ratio is 1 (RR) Red: 2 (Rr) Pink: 1 (rr) White. Therefore, the probability of selecting a pink-flowered plant (Rr) is 2 out of 4 or 50%.
Found an issue with this question?