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Deletion of the long arms of the Y chromosome with normal male development and intelligence
  1. Helen Langmaid,
  2. K. M. Laurence
  1. Cytogenetics Unit, Child Health Laboratories, Department of Child Health, University Hospital of Wales, Heath Park, Cardiff


    Normal male development was found in a man with a proven deletion of the long arms of the Y chromosome. The only phenotypic effect was on his build. This study offers additional proof that all, or most of the long arms of the Y chromosome are not primarily concerned with the determination of male sexual characteristics.

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