Article
Bmp4 and morphological variation of beaks in Darwin's finches.
Science (New York, N.Y.) - 3 Sept 2004
Abzhanov Arhat, Protas Meredith, Grant B Rosemary, Grant Peter R, Tabin Clifford J
Abstract excerpt
Darwin's finches are a classic example of species diversification by natural selection. Their impressive variation in beak morphology is associated with the exploitation of a variety of ecological niches, but its developmental basis is unknown. We performed a comparative analysis of expression patterns of various growth factors in species comprising the genus Geospiza. We found that expression of Bmp4 in the...
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