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Do Siamese twins share the same brain cells?
Answer 1:

Siamese twins share the same DNA. However, the way the DNA is expressed is different in each brain. Siamese twins have two heads so it follows that they have different brain cells.

Your question is somewhat intractable. One of the reasons is that it is difficult (if not impossible) to do a comparison of brain cells of two organisms. This is due to the continual change of the brain cells. They die often.



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