ID: Class: 12 Subject: Biology Topic: Principles of Inheritance and Variation Type: Mcq Year: 2025

Question:

Which of the following conditions correctly describes the manner of determining the sex in the given options ?
  • A. Homozygous sex chromosomes (ZZ) determine female sex in birds.
  • B. XO type of chromosomes determine male sex in grasshoppers.
  • C. XO condition in humans determines female sex.
  • D. Homozygous sex chromosomes (XX) produce male in Drosophila.