With decreases in prices and efforts to sequence the genomes of more and more people, the University of Oxford's Michael Macklay writes at the Conversation that people will need to consider whether they want to know their risk of developing diseases like cancer and dementia.

"[B]efore you provide a saliva sample to have your own genetic recipe book read, it's important to know which results are worth knowing about," he says.

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Chinese state news agency Xinhua reports that a preliminary investigation has found He Jiankui performed his gene-editing work illegally.

John Mendelsohn, a former president of the University of Texas MD Anderson Cancer Center, has died, the New York Times reports.

Identical twins receive different estimates of ancestry from the same direct-to-consumer genetic testing firms, CBC reports.

In PNAS this week: chromosomal features of maize, adaptations in the vinous-throated parrotbill, and more.