3 ms·
Among birds, males are the XX ones (actually ZZ, they call it ZW system to stress this difference). Didn't even like biology at school but I admit to be curious
by epx 5y ago
Among birds, males are the XX ones (actually ZZ, they call it ZW system to stress this difference). Didn't even like biology at school but I admit to be curious what male birds think/feel about this.
- pdpi 5y agoAnd this has the (obvious in hindsight) effect of separating male/female differences and homozygous/heterozygous differences