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Assignment of a processed mouse Aprt pseudogene to the same chromosome as the functional gene.

A novel genetic system has been used to demonstrate that a processed adenine phosphoribosyltransferase (Aprt) pseudogene is located on mouse chromosome 8, which is the same chromosome that carries the functional Aprt gene. A restriction fragment length polymorphism associated with the pseudogene was found to segregate concordantly with chromosome 8 in APRT- mutants of a near-diploid cell line that had lost one copy of the chromosome.