@ApuntesCiencia @CienciaABanda Hay todavía una tercera especie de oso (oso negro, Ursus americanus) que puede también aparecer con un color similar al de los osos pardos. En ambos casos se trata de mutaciones en el mismo gen TYRP1 (asociado a albinismo OCA
@robinloznak @NikonUSA @ZUMApress In case you are interested, here’s our paper on the genetics behind the brown color morphs: https://t.co/22RxmzUnCl
@PASPCR1 member Greg Barsh and colleagues used GWAS to determine that the cinnamon morph of American black bears is due to a missense mutation in TYRP1. Cinnamon black bears can be mistaken for grizzly bears. https://t.co/OTGAqRU52u https://t.co/4YR1yqvB
RT @manuelacasasoli: "Strangely, American black #bears come in many colours." Despite recent results, "the adaptive significance of colour…