NEW YORK (GenomeWeb) – The genetic architecture of human skin pigmentation is more complex than previously thought, according to a new study.

Previous studies of genes involved in skin pigmentation have relied on analyses of people of Eurasian or admixed African-American ancestry, and found pigmentation to be the work of about a dozen genes. But by studying an African population that exhibits a range of pigmentation levels, a State University of New York at Stony Brook-led team of researchers found the genetics of skin tone to be more complicated.

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Nobel laureate Günter Blobel has died at 81, the New York Times reports.

The New York City medical examiner is overseeing an effort to identify missing persons using DNA, according to the Associated Press.

In PNAS this week: mouse model of genetically induced emphysema, gene expression signatures of circulating melanoma cells, and more.

Technology Review reports that 2017 was the year of consumer genetic testing and that it could spur new analysis companies.