Question

describe XO type of sex determination mechanism..

Answer 1

Hey friend,
XX-XO system. In organisms like crickets, grasshoppers, and some other insects, the female is XX and is the homogametic sex. The male is the heterogametic sex but only has one sex chromosome. The male in XX-XO systems produce gametes with (X) or without (O) a sex chromosome.
Hope this helps you.