This is Coucou de Rennes, a French breed with the characteristic sex-linked barring phenotype. Credit: Hervé Ronné, Ecomusée du pays de Rennes.
This is Coucou de Rennes, a French breed with the characteristic sex-linked barring phenotype.

Chicken feather patterns linked to gene mutation

New study reveals how striped feathers in some chicken breeds are associated with a tumor suppressor gene linked to melanoma in people.

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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TAGS: Poultry
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