Medicine: Two of a Kind

Identical twins, born of the same egg,* are seldom reared separately. Hence Horatio Hackett Newman, professor of zoology & embryology at the University of Chicago, rejoiced last week because he had such a pair under observation: two 19-year-old girls called discreetly A and O. They were born in London, lost their parents at 18 months. A's foster parents raised her in stodgy London, O's in a small Ontario town. Both received similar education. Recently A joined O. Theoretically and according to previous observations identical twins should be mirror images of each other...

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