Botany-Mendel's Laws
NEET Botany Mendel's Laws MCQ Question
Type: MCQ-diagram based-Hard-Class 12
Consider a diagram of a Mendelian monohybrid cross showing the F2 generation of a pea plant cross between tall (TT) and dwarf (tt) plants. Which of the following labels correctly represents the genotypic ratio derived from this cross?
A
1/4 TT, 1/2 Tt, 1/4 tt
B
1/3 TT, 1/3 Tt, 1/3 tt
C
1 TT, 2 Tt, 1 tt
D
1/2 TT, 1/4 Tt, 1/4 tt
Correct Answer
Option A
Detailed Explanation
The genotypic ratio for a Mendelian monohybrid cross in the F2 generation of a cross between tall (TT) and dwarf (tt) pea plants is 1/4 TT, 1/2 Tt, and 1/4 tt, as described in the NCERT context.
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