It was previously thought that club allegiance was determined by "peer pressure and copying family members," but the new research challenges that theory.
According to the research, the Liverpool gene is associated with a "love of European travel" and "excellent long-term memory".
The gene only appears to explain allegiance to one of the two teams, indicating that either we are all Liverpool or Everton fans deep down, or that more research is needed.
Have you seen any April Fools' Day hoaxes in the news? Email them to us at email@example.com or comment on our Facebook page.
More top news
A look ahead to the weather forecast for today across the UK.
The first official report since HMP Birmingham was hit by a riot has found "violence had increased substantially" since the last inspection.
Actor Michael Nyqvist, famed for starring in the original film adaptation of The Girl With the Dragon Tattoo, has died aged 56.