ScienceDaily Posted November 19, 2018 Share Posted November 19, 2018 Biologist have compared the genes of large-beaked Cameroonian finches to those of their smaller-beaked counterparts, found the answer to a 20-year old mystery: 300,000 base pairs, apparently inherited as a unit, always varied between them, and right in the middle of that genetic sequence was the well-known growth factor, IGF-1. View the full article Link to comment Share on other sites More sharing options...
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