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Keywords: species variation
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Essays Biochem (2022) 66 (6): 707–716.
Published: 08 December 2022
... at higher levels in the frontonasal mesenchyme compared with other species ( Figure 1 A). The authors tested the hypothesis that variation in Bmp4 expression level directs species variation in beak width and depth using chicken as an experimental system. They took advantage of a retroviral vector...