Monday, February 18, 2008

Identical Twins

Identical twins aren't genetically identical.

"The youngest set of twins had the most identical genomes. Genetically, the oldest twins were the least alike."

It seems while they start out the same, differences in gene expression over time result in slight differences creeping in over time. Scientists indicate this is why one identical twin may get a hereditary disease and the other not.

Here's another article

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