Botany-Incomplete Dominance
NEET Botany Incomplete Dominance MCQ Question
Type: MCQ-numerical-Medium-Class 12
In a cross involving incomplete dominance in snapdragon flowers, if an F1 pink flower (Rr) is self-pollinated, what is the expected percentage of red-flowered plants in the F2 generation?
A
25%
B
50%
C
75%
D
100%
Correct Answer
Option A
Detailed Explanation
In incomplete dominance, the F2 generation of a cross between heterozygous pink flowers (Rr) results in a 1:2:1 ratio of red (RR), pink (Rr), and white (rr) flowers. Therefore, 25% of the F2 generation will be red-flowered.
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