Identical or Fraternal?

Zygosity Calculator

This calculator is intended for estimate purposes only. While it is 95% accurate, it should not be used in place of a DNA test for extablishing zygosity.

Please answer at least 4 questions, otherwise the result will be inaccurate.

A. How does your eye color compare to your twin's?
Same color, same shade
Same color, different shade
Different color

B. How does your hair color compare to your twin's?
Same color, same shade
Same color, different shade
Different color

During childhood, were you and your twin as alike as "two peas in a pod" or no more alike in appearance than ordinary sisters or brothers?
Like "two peas"
Ordinary likeness
Quite unalike

Are you so similar in appearance now that people have difficulty telling you apart?
Never
Sometimes
Even family members confuse them

Could one of you fool friends or family by pretending to be the other?
Yes
Maybe
No



 
     
  Copyright © 2007, The Regents of the University of Minnesota Website feedback: Gen
The U of MN is an equal opportunity educator and employer. This page last updated: December 21, 2010 12:33 PM