Duke scientists map ‘silenced genes’

Remember biology class where you learned that children inherit one copy of a gene from mom and a second from dad? There’s a twist: Some of those genes arrive switched off, so there is no backup if the other copy goes bad, making you more vulnerable to disorders from obesity to cancer.

By Lauran Neergaard, Associated Press

Full Story: http://www.usatoday.com/news/health/2007-11-30-silenced-genes-map_N.htm