Male grasshopper is an example of
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → XO type
Option (4) XO type — Correct. In the grasshopper, males have only one X and no Y chromosome. So the male is XO and the female XX; this is XO type sex determination.
NCERT Extract:
Sex Determination – “… Due to the involvement of the X-chromosome in the determination of sex, it was designated to (b) be the sex chromosome, and the rest of the chromosomes were named as autosomes.Grasshopper is an example of XO type of sex determination in which the males have only one X-chromosome besides the autosomes, whereas females have a pair of X-chromosomes.”