A case of Mongolism in DZ female twins studied at 10 and then at 43 years of age.

Abstract

A pair of female mongoloid twins was studied when they were ten years old and, again, some thirty years later. A careful comparison was made of the similarities and differences between them in features or traits which have proved to be useful in determining the zygosity of like-sexed twins. Though some of these characters can be, and frequently are… (More)

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@article{Greulich1975ACO, title={A case of Mongolism in DZ female twins studied at 10 and then at 43 years of age.}, author={William Walter Greulich}, journal={Acta geneticae medicae et gemellologiae}, year={1975}, volume={24 1-2}, pages={47-61} }