XO type of sex determination and XY type of sex determination are the examples of
Male heterogamety
female heterogamety
Male homogamety
both 2 and 3
As we have learned
Male Heterogamety -
In both XO and XY types, the male produces two different types of gametes.
- wherein
This is called male heterogamety. Eg: in humans and Drosophila