Q. Which one of the following conditions correctly describes the manner of determining the sex? AIPMT - 2011 (Solved)
1. Homozygous sex chromosomes (ZZ) determine female sex in birds
2. XO type of sex chromosomes determine male sex in grasshopper
3. XO condition in humans as found in Turner's syndrome, determines female sex
4. Homozygous sex chromosomes (XX) produce male in Drosophila
5. cessive
- b. XO type of sex chromosomes determine male sex in grasshopper