Botany-Sex Determination
NEET Botany Sex Determination Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 12
Assertion (A): In the dihybrid cross, the phenotypic ratio observed is 9:3:3:1. | Reason (R): The Law of Independent Assortment states that when two pairs of traits are combined in a hybrid, segregation of one pair of characters is independent of the other pair.
A
Both A and R are true, and R is the correct explanation of A.
B
Both A and R are true, but R is not the correct explanation of A.
C
A is true, R is false.
D
A is false.
Correct Answer
Option A
Detailed Explanation
The Law of Independent Assortment explains the 9:3:3:1 phenotypic ratio in a dihybrid cross by stating that the segregation of one trait's alleles does not affect the segregation of another trait's alleles.
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