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obligate carrierClinical genetics The ♂ or ♀ parent of a child with an AR disorder who, by definition, is a carrier of the defective gene is question; similarly, mothers of ♂ children with an X-R condition are carriers of the defective gene. See Autosomal recessive.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.