AIPMT PRELIMS2002Botany-Genetics
AIPMT PRELIMS 2002 Botany Mendelian Inheritance MCQ Question
Type: MCQ-numerical-Hard-Class 12
A plant of F₁-generation with genotype "AABbCC". On selfing of this plant what is the phenotypic ratio in F₂-generation :-
A
3 : 1
B
1 : 1
C
9 : 3 : 3 : 1
D
27 : 9 : 9 : 3 : 3 : 3 : 1
Correct Answer
Option A
Detailed Explanation
The phenotypic ratio 27:9:9:3:3:3:1 is typical for a trihybrid cross with independent assortment.
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