Four DNA Tests

  • By Rima Chaddha and Elizabeth Fox
  • Posted 06.01.09
  • NOVA scienceNOW

Genetic tests are now available to look for specific heritable diseases like Huntington's, assess your risk of developing conditions like heart disease, and more. Learn about four different types of genetic testing and take our poll. Would you take these tests yourself?

Launch Interactive

Would you want to know more about your DNA? See what four types of genetic testing can reveal.



© Andrey Prokhorov/istockphoto
© Martin Carlsson/istockphoto
© Courtesy David S. Goodsell and the Research Collaboratory for Structural Biomechanics Protein Data Bank
(DNA chip)
© dra_schwartz/istockphoto

Related Links

  • Public Genomes: Expert Q&A

    George Church, founder of the Personal Genome Project, answers questions about it and other issues of DNA testing.

  • Public Genomes

    Many people are paying to have their DNA tested. Others are sharing their genomes on the Internet. Are they crazy?

  • Personal DNA Testing: Expert Q&A

    Harvard geneticist Rudy Tanzi offers caveats about commercial DNA testing and addresses a wide range of questions.

  • Extract Your Own DNA

    Behold your very own DNA in this do-it-yourself science experiment.


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