Skip to main content

Secrets of the X chromosome - Robin Ball

1,141,655 Views

19,115 Questions Answered

TEDEd Animation

Let’s Begin…

The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence, so how can one twin end up with a genetic disorder while the other twin does not? Robin Ball explains how the secret lies in X chromosome inactivation.

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Robin Ball
  • Script Editor Eleanor Nelsen
  • Director Anton Trofimov
  • Associate Producer Jessica Ruby
  • Content Producer Gerta Xhelo
  • Editorial Producer Alex Rosenthal
  • Narrator Julianna Zarzycki

More from Getting Under Our Skin