Darwin’s short-beak enigma solved

Biologists discovered that a mutation in the ROR2 gene is linked to beak size reduction in numerous breeds of domestic pigeons. Surprisingly, different mutations in ROR2 also underlie a human disorder called Robinow syndrome. The ROR2 signaling pathway plays an important role in the craniofacial development of all vertebrates.

from Latest Science News -- ScienceDaily https://ift.tt/2XxLNlm

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