Darwin's short-beak enigma solved: Mutation in the ROR2 gene is linked to beak length in domestic pigeons

PHYSorg
Sep 21, 2021, 11:00 am194 pts
Charles Darwin was obsessed with domestic pigeons. He thought they held the secrets of selection in their beaks. Free from the bonds of natural selection, the 350-plus breeds of domestic pigeons have beaks of all shapes and sizes within a single species (Columba livia). The most striking are beaks so short that…

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