Posted AT 4:54 AM EDT on 30/12/05
Mixed chicks sing song of a different species
McGill University researcher Evan Balaban performs brain transplants on chickens to make them sing like quails. He takes bits of brain from quail embryos and attaches them to the brains of embryonic chickens still snug in their eggs.
When they hatch, the chickens look normal, except for the dark, quail-coloured feathers sprouting out of their heads. But they do not sound normal.
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