Journal of the Egyptian Public Health Association

Table 3 The frequencies of normal, heterozygote, double heterozygote and colour blind male and female subjects

From: Prevalence and allele frequency of Congenital Colour Vision Deficiency (CCVD) among students at Hawassa University, Ethiopia

Ethnic group	Gender
	Male				Female
	Normal	Deutan	Protan	Total	Deutan	Protan	Heterozygote	Double heterozygote	Colour blind
Amhara	1024	36	8	1068	q² = 0.001	s² = 0.0001	2 (pq + ps) = 0.08	2qs = 0.001	q² + s² = 0.0011
	p = 0.96	q = 0.03	s = 0.01
Oromo	732	22	8	762
	p = 0.96	q = 0.03	s = 0.01		q² = 0.001	s² = 0.0001	2 (pq + ps) = 0.08	2qs = 0.001	q² + s² = 0.0011
Other	967	24	8	999
	p = 0.97	q = 0.02	s = 0.01		q² = 0.0004	s² = 0.0001	2 (pq + ps) = 0.06	2qs = 0.0004	q² + s² = 0.001
Total	2723	82	24	2829
	p = 0.96	q = 0.03	s = 0.01		q² = 0.001	s² = 0.0001	2 (pq + ps) = 0.08	2qs = 0.001	q² + s² = 0.0011

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