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The lists are commonly used in economics literature to compare the levels of ethnic, cultural, linguistic and religious fractionalization in different countries. [1] [2] Fractionalization is the probability that two individuals drawn randomly from the country's groups are not from the same group (ethnic, religious, or whatever the criterion is).
While some countries make classifications based on broad ancestry groups or characteristics such as skin color (e.g., the white ethnic category in the United States and some other countries), other countries use various ethnic, cultural, linguistic, or religious factors for classification. Ethnic groups may be subdivided into subgroups, which ...
In a study published in March 2011, Brenna Henn and colleagues found that the ǂKhomani San, as well as the Sandawe and Hadza peoples of Tanzania, were the most genetically diverse of any living humans studied. This high degree of genetic diversity hints at the origin of anatomically modern humans. [66] [67]
A megadiverse country is one of a group of nations that harbours the majority of Earth's species and high numbers of endemic species. Conservation International identified 17 megadiverse countries in 1998, [1] [2] all of which are located at least partially in tropical or subtropical regions. Megadiversity means exhibiting great biodiversity.
In a study published in March 2011, Brenna Henn and colleagues found that the ǂKhomani San, as well as the Sandawe and Hadza peoples of Tanzania, were the most genetically diverse of any living humans studied. This high degree of genetic diversity hints at the origin of anatomically modern humans. [54] [55]
Genetic diversity of a population can be assessed by some simple measures. Gene diversity is the proportion of polymorphic loci across the genome. Heterozygosity is the fraction of individuals in a population that are heterozygous for a particular locus. Alleles per locus is also used to demonstrate variability.
Race and ethnicity in Colombia descend mainly from three racial groups—Europeans, Amerindians, and Africans—that have mixed throughout the last 500 years of the country's history. Some demographers describe Colombia as one of the most ethnically diverse countries in the Western Hemisphere and in the World, with 900 different ethnic groups.
The most dominant Paternal Y haplogroup in Arab countries is the Arabian haplogroup J1 (J-M267) and especially its main clade J1-P58 reaching up to 80% in some countries such as Yemen, Qatar and Sudan, according to latest samples studies. [5] J1-M267 that is not P58 are found in Yemen and Oman.