Q264
Assertion (A) Human beings have 23 pair of chromosomes, one of which is the sex chromosomes and the remaining are 22 autosomes. The X-linked disease are related to mutation on a sex chromosomes. Reason (R) Colour blindness results from a mutation in X-chromosome.
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
AnswerC.
A is true, but R is false
D.
A is false, but R is true
Answer: Option B
Solution
Answer: Option B
No explanation is given for this question Let's Discuss on Board