The Clinton Herald, Clinton, Iowa

Food & Health

October 9, 2013

Scientists peek into baby genes

(Continued)

Until now, genome sequencing has been used mostly in research involving curious adults or to help diagnose children or families plagued by mysterious illnesses.

But many specialists say it’s almost inevitable that DNA mapping eventually will be used for healthy young children, too, maybe as an addition to traditional newborn screening for at least some tots. It takes a few drops of blood or a cheek swab. And while it’s still too costly for routine use, the price is dropping rapidly. Whole genome sequencing is expected to soon come down to $1,000, what it now costs for a more targeted “exome” sequencing that maps only certain genes and may be enough.

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