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

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