Hot spot of recombination within DXS164 in the Duchenne muscular dystrophy gene.
1989
Abstract
The DMD gene, which spans more than 2,000 kbp, has been assigned to band Xp21 of the X chromosome. Two subclones (PERT 87-1 and PERT 87-15) of the intragenic locus DXS164 physically are separated by approximately 60 kbp. Linkage studies were done in 49 informative DMD families by using the LINKAGE program. Crossing-over between the loci studied occurred in four families. A recombination rate of 4% (support interval [Zmax-1] 1%-10%), which was 54 (support interval 14-135-fold) times higher than expected, was found with a maximum lod score of 13.50. These data suggest a hot spot for recombination within DXS164.
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