XO type of sex determination can be found in:

XO type of sex determination can be found in:
  1. Birds
  2. Grasshoppers
  3. Monkeys
  4. Drosophila

Solution

An example of an XO type of sex determination is Grasshopper in which the males have only one X-chromosome besides the autosomes, whereas females have a pair of X-chromosomes. 
 XX-XY sex-determination system is seen in Man and Drosophila whereas the ZZ-ZW sex-determination system is present in the birds.

Asked in: NEET 2022 (Phase 1)

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