Genetic Preview

The ability to peer into the DNA of a fetus is offering parents increased amounts of genetic information while also raising ethical questions, writes Dina Fine Maron at Scientific American. Non-invasive prenatal sequencing may be able to tell parents about not only whether their child has a condition like Down syndrome, but also the child's risk of developing other diseases, including ones that may not manifest until adulthood.

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Jay Shendure and his colleagues have developed a new method to more comprehensively identify human cell types, the NY Times reports.

Researchers in the UK and Japan have shown that infertility in mice with three sex chromosomes can be overcome, according to the Guardian.

China is embracing preimplantation genetic diagnosis, Nature News reports. 

In PLOS this week: host genetic factors associated with cervical neoplasia progression, population patterns for an ancient flowering rainforest plant, and more.