Tuesday, December 29, 2020

A single gene 'invented' haemoglobin several times

Thanks to the marine worm Platynereis dumerilii, an animal whose genes have evolved very slowly, scientists have shown that while haemoglobin appeared independently in several species, it actually descends from a single gene transmitted to all by their last common ancestor.

from Top Health News -- ScienceDaily https://ift.tt/381FTfj

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Forget LASIK: Safer, cheaper vision correction without lasers or incisions

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