Table 2. Genotypes of ACTN3 and allele frequencies of X and R alleles in Iranian population.

	Genotype frequency			Allele frequency
	RR	RX	XX	R	X
Female	(30/110)	(67/110)	(13/110)	0.58	0.42
	27.27%	60.91%	11.82%
Male	(20/100)	(69/100)	(11/100)	0.545	0.455
	20%	69%	11%
Total	(50/210)	(136/210)	(24/210)	0.56	0.44
	23.81%	64.76%	11.42%