Photo detail

Holly Sloan interacts with her baby, Amelia, at their home in Warrenton, Va. Amelia’s family enrolled in a study that is deciding the DNA of babies, as researchers explore whether gene-mapping one day should become a part of newborn care.

Stories this photo appears in:

Tease photo

Studies test how early in life to peek inside DNA (VIDEO)

Little Amelia Sloan became a pioneer shortly after her birth.

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