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Brazilian biologists, in conjunction with the Institute of Human Genetics, Newcastle University, have performed a worldwide phylogeographical study of the X chromosome by examining a haplotype block on a region of X chromosome where recombination is rare. Their findings, published in PLoS One, support currently accepted theories of a single origin of modern humans in Africa within the last 195,000 years, as well as migration out of Africa a

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A letter criticizing actions by the US government and research institutions toward Chinese and Chinese-American scientists has garnered more than a hundred signatories.

NPR reports that researchers in New York are investigating whether it is possible to edit the genomes of human sperm.

In an opinion piece at the Nation, Sarah Lawrence College's Laura Hercher argues that everyone should be able to access prenatal genetic testing.

In Nature this week: ancient DNA uncovers presence of Mediterranean migrants at a Himalayan lake, and more.