Scientists have discovered 12 new genetic causes of developmental disorders.They will ultimately analyze data from 12,000 families. The article describes results from the first 1133 samples, which have increased the proportion of patients that can be diagnosed by 10 per cent.<img src="//feeds.feedburner.com/~r/sciencedaily/~4/2X1FBbT26sY" height="1" width="1" alt=""/>
