Birds show an amazing diversity in plumage color and patterning, but what are the genetic mechanisms that create such patterns?
In a new study published in PLOS Genetics, Swedish and French researchers reported that two independent mutations are required to explain the development of the sex-linked barring pattern in chicken. Both mutations affect the function of CDKN2A, a tumor suppressor gene associated with melanoma in people.
Research in pigmentation biology has m
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