Golden brushtail possum on a tree, the light color is a genetic mutation of common Australian possums that live only in Tasmania, Australia, Pacific

Golden brushtail possum eating, the light color is a genetic mutation of common Australian possums that live only in Tasmania, Australia, Pacific

Golden brushtail possum on a tree, the light color is a genetic mutation of common Australian possums that live only in Tasmania, Australia, Pacific

Buryat shaman Valentin Khagdae with the hereditary shaman's genetic marker of a sixth finger thumb on his right hand, Lake Baikal, Irkutsk Oblast, Siberia, Russia, Eurasia

Women from the island of Pentecost in a traditional dance at a Melanesian cultural festival. The fair haired one has a common genetic mutation, Efate Island, Port Vila, Vanuatu

Influenza A H1N1 Infection

Boa imperator "Leucistic" (Boa imperator)

A rare black serval, Leptailurus serval, standing in the grass in Lualenyi game reserve. The genes of melanistic animals carry a mutation that creates more dark pigment than light pigment.