Girirajan assortative mating (IMAGE)
Caption
Neurodevelopmental and psychiatric disorders, and the genes that can lead to them, vary in a population (left, brighter red colors represent more severe symptoms, asterisks represent individuals with genetic variants that convey high risk for developing such disorders). A new study that looked at 97,000 families observed assortative mating for these traits with good correlation between the traits in the parents (middle). The researchers showed that evaluating both parents for these traits, in addition to the high-risk genetic variants, improved their ability to predict the prevalence and, potentially, severity of the disorders in children (right).
Credit
Girirajan Laboratory, Penn State
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