Unstable Repeat DNA May Explain Missing Heritability in Mental Illness
Schizophrenia and bipolar disorder run in families with an 81 percent heritability rate in twin studies, yet standard genome-wide surveys have only uncovered about a quarter of that genetic risk. Researchers in Pune, India, propose that short, stuttering stretches of DNA largely overlooked by standard methods account for the missing inheritance, News-Medical reported. These repetitive … Read more