RHD gene deletion occurred in the Rhesus box
The Rh blood group antigens derive from 2 genes, RHD and RHCE, that are located at chromosomal position 1p34.1-1p36 (chromosome 1, short arm, region 3, band 4, subband 1, through band 6). In whites, a cde haplotype with a deletion of the whole RHD gene occurs with a frequency of approximately 40%. The relative position of the 2 RH genes and the location of the RHD deletion was previously unknown. A model has been developed for the RH locus using RHD- and RHCE-related nucleotide sequences deposited in nucleotide sequence databases along with polymerase chain reaction (PCR) and nucleotide sequencing. The open reading frames of both RH genes had opposite orientations. The 3′ ends of the genes faced each other and … Continue reading RHD gene deletion occurred in the Rhesus box
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