Table 2.

Genotypes and allele frequencies of the AA-NAT SNP in Egyptian sheep breeds. Where $N$ is the total number of animals in each breed; UHe is the unbiased expected heterozygosity; number in parentheses is the no. of genotype observed; ns represents non-significant.

Breeds	Observed genotype frequencies			Expected genotype frequencies			Allele frequencies		UHe	Hardy–Weinberg equilibrium
	GG	GA	AA	GG	GA	AA	G	A		${\mathit{\chi }}^{\mathrm{2}}$ test	$P$ value
Ossimi $N=\mathrm{66}$	0.090 (6)	0.333 (22)	0.576 (38)	0.066	0.382	0.551	0.258	0.742	0.385	1.089	0.297${}^{\mathrm{ns}}$
Rahmani $N=\mathrm{41}$	0.244 (10)	0.585 (24)	0.171 (7)	0.288	0.497	0.215	0.537	0.463	0.503	1.285	0.257${}^{\mathrm{ns}}$
Barki $N=\mathrm{19}$	0 (0)	0.842 (16)	0.158 (3)	0.177	0.488	0.335	0.421	0.579	0.501	10.050	0.002${}^{\ast }$
Total $N=\mathrm{126}$	0.127 (16)	0.492 (62)	0.381 (48)	0.139	0.468	0.393	0.373	0.627	0.470	0.340	0.560${}^{\mathrm{ns}}$

${}^{\ast }$ at the $p$ 0.05 level.