Question

Assertion (A) : In human being, the females play a major role in determining the sex of the offspring. 

Reason (R) : Women have two ‘X’ chromosomes. 

Codes : 

(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 a correct explanation of A 

(c) A is true but R is false 

(d) A is false but R is true

Answer 1

(d) Assertion is false. In human, sex determination of offspring depends on male because male sperm contains XY chromosome, whereas female has XX chromosome in their ovum.