"Where do new genes come from?" is a long-standing question in genetics and evolutionary biology. A new study from researchers at the University of California, Davis, published in Science Express, shows that new genes are created from non-coding DNA more rapidly than expected."This shows very clearly that genes are being born from ancestral sequences all the time," said David Begun, professor of evolution and ecology at UC Davis and senior author on the paper.Geneticists have long puzzled about how completely new genes appear.
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