The anus may have evolved from a hole originally used to release sperm
The anus may have evolved from a hole originally used to release sperm
www.newscientist.com
The anus may have evolved from a hole originally used to release sperm
The long-standing question of how animals came to have an anus may have been solved by studies of which genes are active during development in various animals
- Archived version of the article: https://archive.is/x2eUW
- The study: https://www.biorxiv.org/content/10.1101/2025.02.10.637358v1