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

SINSIN
Mar 28, 2025 - 20:00
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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

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