Botany-Incomplete Dominance
NEET Botany Incomplete Dominance Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 12
Assertion (A): Down's syndrome is caused by an additional copy of chromosome 21. | Reason (R): Trisomy of a chromosome always results in a beneficial trait for the individual.
A
Both A and R are true, and R explains A.
B
Both A and R are true, but R does not explain A.
C
A is true, but R is false.
D
A is false.
Correct Answer
Option C
Detailed Explanation
Down's syndrome is indeed caused by an additional copy of chromosome 21, but trisomy generally leads to serious consequences, not beneficial traits.
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