In most vertebrates, skin appendages such as hair, feathers, or scales originate from placodes—small, specialized skin regions whose spatial organization is controlled by well-conserved genetic ...

AMES, Iowa – At a Biotechnology Council event a few years ago, Nicole Valenzuela’s ears perked up when she heard what a group of researchers in Iowa State University’s College of Veterinary Medicine ...

This is a preview. Log in through your library . Abstract Understanding how selective forces influence patterns of symmetry remains an active area of research in evolutionary biology. One hypothesis, ...