Home / Series / Crash Course / Aired Order / Season 2 / Episode 9

Heredity

Hank and his brother John discuss heredity via the gross example of relative ear wax moistness.

English
  • Originally Aired March 26, 2012
  • Runtime 15 minutes
  • Created June 25, 2024 by
    The501Trooper
  • Modified June 25, 2024 by
    The501Trooper