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Race is a categorization of humans based on shared physical or social qualities into groups generally viewed as distinct within a given society.[1] The term came into common usage during the 16th century, when it was used to refer to groups of various kinds, including those characterized by close kinship relations.[2] By the 17th century, the term began to refer to physical (phenotypical) traits, and then later to national affiliations. Modern science regards race as a social construct, an identity which is assigned based on rules made by society.[3][4][5] While partly based on physical similarities within groups, race does not have an inherent physical or biological meaning.[1][6][7] The concept of race is foundational to racism, the belief that humans can be divided based on the superiority of one race over another.
Social conceptions and groupings of races have varied over time, often involving folk taxonomies that define essential types of individuals based on perceived traits.[8] Modern scientists consider such biological essentialism obsolete,[9] and generally discourage racial explanations for collective differentiation in both physical and behavioral traits.[10][11][12][13][14]
Even though there is a broad scientific agreement that essentialist and typological conceptions of race are untenable,
Since the second half of the 20th century, race has been associated with discredited theories of scientific racism, and has become increasingly seen as a largely pseudoscientific system of classification. Although still used in general contexts, race has often been replaced by less ambiguous and/or loaded terms: populations, people(s), ethnic groups, or communities, depending on context.[25][26] Its use in genetics was formally renounced by the U.S. National Academies of Sciences, Engineering, and Medicine in 2023.[27]
Barnshaw
was invoked but never defined (see the help page).In humans, race is a socially constructed designation, a misleading and harmful surrogate for population genetic differences, and has a long history of being incorrectly identified as the major genetic reason for phenotypic differences between groups.
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was invoked but never defined (see the help page).Lee, Mountain; et al. 2008
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was invoked but never defined (see the help page).Race is a poor empirical description of the patterns of difference that we encounter within our species. The billions of humans alive today simply do not fit into neat and tidy biological boxes called races. Science has proven this conclusively. The concept of race ... is not scientific and goes against what is known about our ever-changing and complex biological diversity.
The genetic differences that exist among populations are characterized by gradual changes across geographic regions, not sharp, categorical distinctions. Groups of people across the globe have varying frequencies of polymorphic genes, which are genes with any of several differing nucleotide sequences. There is no such thing as a set of genes that belongs exclusively to one group and not to another. The clinal, gradually changing nature of geographic genetic difference is complicated further by the migration and mixing that human groups have engaged in since prehistory. Human beings do not fit the zoological definition of race. A mountain of evidence assembled by historians, anthropologists, and biologists proves that race is not and cannot be a natural division of human beings.
Ancestry, then, is a more subtle and complex description of an individual's genetic makeup than is race. This is in part a consequence of the continual mixing and migration of human populations throughout history. Because of this complex and interwoven history, many loci must be examined to derive even an approximate portrayal of individual ancestry.
[O]ngoing contacts, plus the fact that we were a small, genetically homogeneous species to begin with, has resulted in relatively close genetic relationships, despite our worldwide presence. The DNA differences between humans increase with geographical distance, but boundaries between populations are, as geneticists Kenneth Weiss and Jeffrey Long put it, "multilayered, porous, ephemeral, and difficult to identify". Pure, geographically separated ancestral populations are an abstraction: "There is no reason to think that there ever were isolated, homogeneous parental populations at any time in our human past."
The relationship between self-reported identity and genetic African ancestry, as well as the low numbers of self-reported African Americans with minor levels of African ancestry, provide insight into the complexity of genetic and social consequences of racial categorization, assortative mating, and the impact of notions of "race" on patterns of mating and self-identity in the US. Our results provide empirical support that, over recent centuries, many individuals with partial African and Native American ancestry have "passed" into the white community, with multiple lines of evidence establishing African and Native American ancestry in self-reported European Americans.
On average, the scientists found, people who identified as African-American had genes that were only 73.2 percent African. European genes accounted for 24 percent of their DNA, while 0.8 percent came from Native Americans. Latinos, on the other hand, had genes that were on average 65.1 percent European, 18 percent Native American, and 6.2 percent African. The researchers found that European-Americans had genomes that were on average 98.6 percent European, 0.19 percent African, and 0.18 percent Native American. These broad estimates masked wide variation among individuals.
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was invoked but never defined (see the help page).AAPA
was invoked but never defined (see the help page).1. Each of the major division of humankind, having distinct physical characteristics [example elided]. 1.1. mass noun The fact or condition of belonging to a racial division or group; the qualities or characteristics associated with this. 1.2. A group of people sharing the same culture, history, language, etc.; an ethnic group [example elided].Provides 8 definitions, from biological to literary; only the most pertinent have been quoted.
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