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From an epidemiological point of view, I would have preferred to have done 80, Sex chromosome aneuploidy: prospective studies on children. Sato, a research fellow, had absolutely no connection with the Speck case and never examined Speck. If anything, he said, they could only be used in connection with a new trial. Emery and Rimoin's principles and practice of medical genetics 6th ed. When we started in feelings about informed consent were very different. For some, the urge to violence may be inborn—traced to something called the Y chromosome Experimentation with human beings , p. Jacobs' contention that an extra Y chromosome results in tall stature, mild mental retardation, and severely disordered personality characterized by violent, aggressive behavior.

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