Bringing colour back to Pingelap

时间:2019-03-06 06:10:11166网络整理admin

By Hazel Muir THE rogue gene that means many people on a remote island in the Pacific see only shades of grey has been pinpointed. The discovery could eventually help lead to a cure. People with achromatopsia can’t distinguish colours at all. On the Micronesian island of Pingelap, made famous in Oliver Sacks’s book The Island of the Colourblind, 1 in 20 have the disease. Most can trace their ancestry back to one of the 20 islanders left after a typhoon in 1775. That man probably carried a single copy of a mutant gene that became common in the tiny,