Molecular and computational analysis of 45 samples with a serologic weak D phenotype detected among 132,479 blood donors in northeast China

Table 4 Allele frequencies of RhD negative alleles

Genetically tested RHD negative	Sample number	RHD neg	RHD 1227A	RHD 1166delA	RHD-Ce (2-9)-D	RHD 711delC
RHD neg/RHD neg	78	156
RHD neg/RHD 1227A	24	24	24
RHD 1227A/RHD 1227A	3		6
RHD 1227A/RHD 1166delA	1		1	1
RHD neg/RHD-Ce (2-9)-D	7	7			7
RHD-Ce (2-9)-D/RHD-Ce (2-9)-D	2				4
RHD neg/RHD 711delC	2	2				2
Totals	117	189	31	1	11	2
Allele frequency		0.04937	0.00810	0.00026	0.00287	0.00052

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