Geneticists Untangling Mystery of Left-Handedness

Geneticists Untangling Mystery of Left-Handedness
AP Photo/Kathy Willens

A series of genetic variants can influence handedness, according to a new paper.

No, researchers have not discovered a “handedness gene.” But through brain imaging of 9,000 people in the United Kingdom, researchers devised a list of genetic variations that contribute to the way different brain processes end up on either side of the brain.

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