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Published online by Cambridge University Press: 01 August 2014
A case of apparent pseudo-hermaphroditism is described, which seems to represent a new kind of genital pathology. The phenotypic (genital ambiguity) and genotypic (mosaicism of both autosomes and gonosomes) alterations are interpreted as the result of a series of clonal errors of mitosis in the ontogenetic development of a Xy zygote, due to mutant genes for the control of mitosis.