Article
Hemophilia B in a female carrier due to skewed inactivation of the normal X-chromosome.
American journal of hematology - 1 May 1998
Chan V, Chan V W, Yip B, Chim C S, Chan T K
Abstract excerpt
A novel missense mutation (codon 351, GCT (Ala) --> CCT (Pro)) of the FIX gene was characterised in a young female with mild hemophilia B. She is heterozygous for the FIX mutation inherited from her carrier mother. Analysis of the methyl-sensitive Hpa II sites at the 5' end of the hypoxanthine phosphoribosyltransferase gene showed that skewed inactivation of the X chromosome carrying her normal FIX gene accounted...
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