<http://schema.org/description>
"Humans inherit more than three times as many mutations from their fathers as from their mothers, and mutation rates increase with the father's age but not the mother's, researchers have found in the largest study of human genetic mutations to date."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2012-08-mutations-dad.html>