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Tue Jan 29, 2013, 12:16 PM

Digging Deep in the DNA

CAMBRIDGE, MASS. — Hopi E. Hoekstra is standing in the attic of Harvard’s Museum of Comparative Zoology among horns and pelts, an elephant skin under a table here, giraffe parts over there.

She is handling lumpy pieces of something that looks like molded Styrofoam and that seems entirely out of place.

One has a long handle, like a cudgel. Another is shorter.

“It looks like a little sock,” she says, holding it up for a reporter to inspect.

The sock and cudgel do belong in the museum, however, every bit as much as the antlers and skins. They are key parts of a research program that is helping unlock one of biology’s elusive secrets — how genes control complicated behavior.

http://www.nytimes.com/2013/01/29/science/hopi-hoekstra-traces-the-roots-of-behavior-in-dna.html?nl=todaysheadlines&emc=edit_th_20130129&_r=0

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