Prevalence of Catalase (-21 A/T) Gene Variant in South Indian (Tamil) Population

Table 1

Catalase gene -21 A/T polymorphism-genotype and allele frequency in healthy controls.

Genotype/Allele	Healthy controls (𝑛=100)
Genotypes (-21 A/T)
AA	7
AT	23
TT	70
Alleles
A	0.18
T	0.82