Botany-Incomplete Dominance

NEET Botany Incomplete Dominance MCQ Question

Type: MCQ-numerical-Medium-Class 12

In Mendel's experiments, if T represents the dominant allele for tallness and t represents the recessive allele for dwarfness, what is the probability of obtaining a dwarf plant in the F2 generation from a monohybrid cross?

A

25%

B

50%

C

75%

D

100%

Correct Answer

Option A

Detailed Explanation

In a monohybrid cross involving complete dominance, the F2 generation shows a phenotypic ratio of 3:1. Thus, the probability of obtaining a dwarf plant (tt) is 1 out of 4, or 25%.

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