https://isthisbs.org/health/in-an-8-year-old-child-inherited-genetic-liability-to-or-the-5c029609/IsThisBSen2026-07-31T07:42:04.578227+00:00In an 8-year-old child, inherited genetic liability to externalizing or conduct problems increases the probability of repeated rule-breaking behavior (including theft), but the magnitude of the genetic contribution to that individual child's stealing cannot be calculated from family history or population heritability estimates.