Uploaded August 2018 | Updated September 2026, 1 week ago

---

In this episode of The DNA Download, Halleta meets Sarah Laskey, PhD, 23andMe Health R&D Scientist, who answers the question: is there a gene for every trait? Are you a morning person or a night owl? Learn how your genes influence what time you like to wake up in the morning. Learn more at education.23andme.com/dna-download/. (3 of 12 episodes)