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 Indian J Med Microbiol  
 

Figure 3: A representative image of COL4A1 normal and mutant alleles (c.1537G>A) coexisting in heterozygous condition. The black arrow indicates a green color peak superimposed on a black one indicating presence of G (guanidine) base in the hotspot region in one copy of the gene while A (adenine) base in the other

Figure 3: A representative image of COL4A1 normal and mutant alleles (c.1537G>A) coexisting in heterozygous condition. The black arrow indicates a green color peak superimposed on a black one indicating presence of G (guanidine) base in the hotspot region in one copy of the gene while A (adenine) base in the other