Individuals of higher EP ancestry formed the EP(High) sample set (256 cases, 187 controls) and those of lower ancestry formed the EP(Low) sample set (59 cases, 162 controls).
However, this level is only 69.6%, leaving a remarkably high overall mean proportion of North African and Jewish ancestry forming the remainder.
While the limited availability of AOD services restricts access to treatment for all South Africans, treatment is relatively more difficult to access for people from Black African and Coloured (that is people of mixed race ancestry who form a unique cultural group) communities disadvantaged during the course of apartheid who remain under-represented in AOD treatment facilities [ 5].
Any similarities between organisms were due to common functions, not to common ancestry: function determines form, form does not determine function.
The annual forms of W4 are closely related to aus, perennial forms of W6 are closely related to japonica, and the indica subpopulation shares ancestry with forms of W1 that show admixture with W4 on the one hand, and W6 on the other (Additional file 3: Figure S2B).
This geographical location has led to several waves of settlement over the past millennia, creating unique ethnic ancestries that form the present day's population.
Four hundred European ancestry cases formed the discovery GWAS set, and 1,443 cases from a large independent multi-ancestral replication cohort were used to validate associations.
Of the H5N1 viruses from clade 2.3.2.1, 93% had common ancestry and formed an evolutionary distinct 'Bangladesh' cluster in all eight gene phylogenetic trees.
In practice, it is a hypothesis of common ancestry that forms the basis of a high level name, and considerable judgment must be exercised, in addition to phylogenetic scrutiny, to decide how much this hypothesis can be modified before the name is sufficiently compromised to demand synonymy.
