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Restriction fragment length polymorphism (RFLP) pattern of MspA1 digest of the CYP17A1 gene. Lanes 1 and 8 : 100 bp DNA ladder, Lane 2: TC heterozygote, Lane 3: TT homozygote, Lane 4: No DNA sample, Lane 5: CC homozygote, Lane 6: No DNA sample, Lane 7: TC heterozygote.
