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MBL genotyping by RFLP. Digested products were electrophoresed on 2% agarose gel and visualized under ultraviolet light by ethidium-bromide staining. Lanes 1 and 16 are DNA Ladder. Lane 2 is negative control. The wild MBL genotype (AA) is cut into two fragments with BanI enzyme, 89 and 260 bp, seen in lanes 3–5, 7–10, 12, 14, and 15. The mutant homozygous MBL genotype (BB) remains uncut, 349 bp, seen in lane 11. The heterozygous MBL genotype (AB) is seen in lanes 6 and 13.
