Question:

Which of the following conditions correctly describes the manner of determining the sex in the given options?

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XO sex determination is common in insects like grasshoppers, where absence of a second sex chromosome leads to male development.
Updated On: Jun 20, 2025
  • Homozygous sex chromosomes (ZZ) determine female sex in birds.
  • XO type of chromosomes determine male sex in grasshoppers.
  • XO condition in humans determines female sex.
  • Homozygous sex chromosomes (XX) produce male in \textit{Drosophila}.
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The Correct Option is B

Solution and Explanation

In grasshoppers, the presence of only one sex chromosome (XO) leads to male development, while the presence of two (XX) results in females. This is a well-documented mode of sex determination in insects.
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