Biology NEET Previous Year Question Paper NEET 2026 Previous Year Question Paper Single Correct MCQ
Published on: August 21, 2026

In a population of a grasshopper species, the chromosome number of some members is 23 and some other members possess 24 chromosomes. The 23 and 24 chromosome-bearing members in this species are .

A
females and males, respectively
B
males and females, respectively
C
all males
D
all females

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Text Solution

Verified by Experts
The correct answer is:
B

This is due to the XX-XO sex determination system:

• Males (XO): Have only one X chromosome, resulting in an odd number (23).

• Females (XX): Have two X chromosomes, resulting in an even number (24).

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