Posts tagged: molecular genetics

Heritability is key to understanding genes

Tweet Johnjoe McFadden correctly points out that molecular genetics has yet to deliver on its expensive promissory notes (Genes? Its complicated, 24 June). However, in citing heritability estimates of 80%-90% for diagnoses such as schizophrenia and autism, he perpetuates the misleading idea that these figures show the extent to which conditions are caused by genes. Heritability refers to the correlation between genes and a diagnosis in a given e ... Jump to full article >>