October 30, 2018 • 62 mins
In Episode 46, Dr. Zhana and Joe speak with Dr. Gerulf Rieger about his research on identical twins with discordant sexual orientation. Research has shown us that sexual orientation is greatly determined by genetics. So how is it possible that only about 30% of all identical twins have the same sexual orientation as their co-twin?
Mark as Played
Popular Podcasts
Stuff You Should Know
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.
24/7 News: The Latest
The latest news in 4 minutes updated every hour, every day.
Dateline NBC
Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com