<http://schema.org/alternativeHeadline>
"A new study suggests that the same genes that affect the left-hand symmetry of organs in the body also affects someone's right or left hand is dominant."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/are-you-a-righty-or-a-lefty-genes-behind-handedness-found>