How does my tounge curl – Fast Computing Zone

Question: How does my tounge curl
- Keywords:
  DNA,
  human body
Asked by an alien to Stewart, Marton, Kathryn on 13 Nov 2018.
- Stewart Martin-Haugh answered on 13 Nov 2018:
  
  I can’t do the tongue curling thing. I had heard it was genetic but according to this article:
  https://omim.org/entry/189300
  it’s actually not clear.
  
  The great thing about science is how much is not understood: always more to find out.
  
  For completeness let me say: I can wiggle my ears.