Question

Are female birds heterogametic?

Answer 1

Heterogametic organisms:

1. Heterogametic organism has two dissimilar sex chromosomes.
2. Sex determination in birds is based on two sex chromosomes namely Z and W.
3. Males are called homogametic since they have two similar sex chromosomes (ZZ).
4. Female birds are heterogametic. They possess two different sex chromosomes (ZW).