Chris-

This certainly seems interesting and could help explain a lot of puzzling differences that we sometime see in "identical" (e.g. one develops schizophrenia and one does not, one ends up gay and the other straight etc.) Since this is not my field I'm not completely sure how to interpret these findings. From the article I was unable to determine the ages of the subjects. Given that several of the pairs had Parkinson's I am assuming that they were adults & probably post 50. Would we expect these same differences to occur in neonate twins? That is, are these differences something that arises out of misreplications over a lifetime or were they there since conception. Hopefully someone with a greater knowledge of genetics than mine (and that would be almost anybody) could help clarify this point.

Thanks,

-Don.

[EMAIL PROTECTED] wrote:

Have you been teaching your students that identical (monozygotic) twins have
identical genes? Turns out that's not correct. See this NYT article:

http://tinyurl.com/33m4c3

Chris Green
York U.
Toronto, Canada
[EMAIL PROTECTED]

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Don Allen
Department of Psychology
Langara College
Vancouver, B.C., Canada
V5Y 2Z6

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