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Distinct digits may have evolved by using DNA that makes the cloaca
The study reveals the regulatory DNA controls cloaca development in ray-finned fish, indicating limb digit regulation evolved independently in fish and vertebrates, researchers said.
Summary by Ars Technica
3 Articles
3 Articles
A study shows that the evolution of the fingers may be related to the fish cloacus, an organ that brings together the intestinal, excretory and reproductive systems.
·France
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From fish cloaca to fingers: Scientists trace the origin of our digits
How did digits evolve? While it is clear that they derive from genetic programs already present in fish, their precise origin remains a matter of debate. An international team led by the University of Geneva (UNIGE) with EPFL, the Collège de France, and the universities of Harvard and Chicago has come up with an unexpected answer: Digits may have evolved from the reuse of an ancient region of the genome, initially active in the formation of the …
·United Kingdom
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Leaning Left0Leaning Right0Center3Last UpdatedBias Distribution100% Center
Bias Distribution
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