Fundamentholfundamenthol
NEET2026Biology
Q.

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 ______.

  1. A

    females and males, respectively

  2. B

    all males

  3. C

    males and females, respectively

  4. D

    all females

Solution

Grasshoppers follow the XX–XO type of sex determination. Males carry a single X chromosome (XO) and therefore one less chromosome, while females carry two X chromosomes (XX).

So the individual with 23 chromosomes is male and the one with 24 chromosomes is female.

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