Question

In which systems of sex determination is the male the heterogametic sex?

विकल्प

• XO and XY systems

• WZ system only

• XX and XY systems

• XO and WZ systems

Answer 1

The heterogametic sex produces two types of gametes. In XO and XY systems, the male is heterogametic. In the WZ system, the female is the heterogametic sex. This means males produce two different types of gametes in XO and XY systems.