A Nomenclature of Subgroups of the Rh Factor

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SINCE Race added two further hypothetical allelomorphs tentatively called Rhy and Rhz to the six genes recognized by Wiener1, which had been independently discovered by Taylor and Race (namely, Rh1, Rh2, Rh0, Rh′, Rh″ and rh), the terminology is somewhat confused. Recently Race2 has described Prof. R. A. Fisher's ingenious system of three allelomorphic antigens named Cc, Dd, Ee, with Greek lettering for the antisera. They predict the existence of two as yet undiscovered antisera η and δ. The disadvantage of this scheme is the duplicate system of lettering.

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  1. 1

    Wiener, A. S., Proc. Soc. Exp. Biol. and Med., 54, 316 (1943).

  2. 2

    Race, R. R., Nature, 153, 772 (1944).

  3. 3

    Murray, J., Lancet, 2, 594 (1944).

  4. 4

    Stratton, F., Nature, 153, 773 (1944).

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