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Question: Answered & Verified by Expert
Which one of the following conditions correctly describes the manner of determining the sex in the given example?
BiologyPrinciples of Inheritance and VariationNEETNEET 2011 (Screening)
Options:
  • A XO type of sex chromosomes determine male sex in grasshopper
  • B XO condition in humans as found in Turner syndrome, determines female sex
  • C Homozygous sex chromosomes (XX) produce male in Drosophila
  • D Homozygous sex chromosomes determine female sex in birds
Solution:
2654 Upvotes Verified Answer
The correct answer is: XO type of sex chromosomes determine male sex in grasshopper
Grasshopper is an example of XO type of sex determination in which the males have only one $\mathrm{X}$-chromosome besides the autosomes, whereas females have a pair of X-chromosomes.

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