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Published online by Cambridge University Press: 01 August 2014
Blood groups of the Danzig quintuplets and their family were determined in order to establish whether they are mono- or polyzygotic in origin. Results of blood grouping showed that they come from a quintovular pregnancy. A pedigree of the quintuplets family is given. The following blood-group systems were tested: ABO, MN, Rh (Cw, C, c, D, E, e), Kell, haptoglobins, Gm1, and erythrocyte acid phosphatase.