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Figure 7 | BMC Genetics

Figure 7

From: RHD positive haplotypes in D negative Europeans

Figure 7

Flow cytometric analysis of a D+/- chimera. The fluorescence histograms obtained by indirect immunofluorescence with a polyclonal anti-D are shown for the index donation of the chimerical donor (Panel A), a second donation three month later (Panel B) and a control mixture containing 5% D positive RBC (Panel C). There are two peaks separated by a large gap indicating that two different RBC populations are present. The left peak represents D negative RBC, the right peak D positive RBC carrying a normal strength antigen D. The positive RBC population of the donor was about 6%.

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