This is part of the history of evolution for your particular ancestral background. (theholisticmama.com)
The lower end of the variation range spanned by the W229D and W229D / F290W variants of the 12 successful ancestral backgrounds used is actually similar or clearly above the results previously reported using minimalist design24, 25. (nature.com)
«Every ethnic group has a different ancestral background and different LD patterns. (sciencedaily.com)