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Table 2 The results of the genotyping samples

From: Prevalence of CCR5delta32 in Northeastern Iran

Genotype formGenotype frequency (number (%))Allele frequency
Normal homozygote CCR5 Wild/ WildHeterozygote
CCR5 Wild/∆32
Mutant homozygote CCR5∆32/ ∆32TotalWild∆32
Observed388 (97%)11 (2.75%)1 (0.25%)4000.9830.016
Observed Frequencies0.970.0270.0021
Expected387.10512.7880.105400
Expected Frequencies0.9670.0310.00021
X2=0.0020.2507.573 
Overall X2=7.825337719Overall (P-value) = 0.020