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pubmed:abstractText |
A rare case of chromosome 1p deletion is reported in a mentally retarded male infant with a derived chromosome: 45,XY,-1,-13,tdic(1;13)(1qter----1p36.2::13p11.2----++ +13qter). Parental chromosomes were normal. Since the patient's 6-PGD specific activity was in the normal range, it is probable that he retained both 6-PGD alleles. Consequently, if a dosage affect exists, then the locus for 6-PGD must be proximal to 1p36.3.
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