Related concepts (16)
Ethnoreligious group
An ethnoreligious group (or an ethno-religious group) is a grouping of people who are unified by a common religious and ethnic background. Furthermore, the term ethno-religious group, along with ethno-regional and ethno-linguistic groups, is a sub-category of ethnicity and is used as evidence of belief in a common culture and ancestry. In a narrower sense, they refer to groups whose religious and ethnic traditions are historically linked.
Exogamy
Exogamy is the social norm of mating or marrying outside one's social group. The group defines the scope and extent of exogamy, and the rules and enforcement mechanisms that ensure its continuity. One form of exogamy is dual exogamy, in which two groups continually intermarry with each other. In social science, exogamy is viewed as a combination of two related aspects: biological and cultural. Biological exogamy is the marriage of people who are not blood relatives. This is regulated by incest taboos and laws against incest.
Founder effect
In population genetics, the founder effect is the loss of genetic variation that occurs when a new population is established by a very small number of individuals from a larger population. It was first fully outlined by Ernst Mayr in 1942, using existing theoretical work by those such as Sewall Wright. As a result of the loss of genetic variation, the new population may be distinctively different, both genotypically and phenotypically, from the parent population from which it is derived.
Caste system in India
The caste system in India is the paradigmatic ethnographic instance of social classification based on castes. It has its origins in ancient India, and was transformed by various ruling elites in medieval, early-modern, and modern India, especially the Mughal Empire and the British Raj. It is today the basis of affirmative action programmes in India as enforced through its constitution. The caste system consists of two different concepts, varna and jati, which may be regarded as different levels of analysis of this system.
Yazidis
Yazidis or Yezidis (jəˈzi:di:z; ئێزیدی) are a Kurdish-speaking endogamous religious group who are indigenous to Kurdistan, a geographical region in Western Asia that includes parts of Iraq, Syria, Turkey and Iran. The majority of Yazidis remaining in the Middle East today live in Iraq, primarily in the governorates of Nineveh and Duhok. There is a disagreement among scholars and in Yazidi circles on whether the Yazidi people are a distinct ethnoreligious group or a religious sub-group of the Kurds, an Iranic ethnic group.
Cousin marriage
A cousin marriage is a marriage where the spouses are cousins (i.e. people with common grandparents or people who share other fairly recent ancestors). The practice was common in earlier times and continues to be common in some societies today, though in some jurisdictions such marriages are prohibited. Worldwide, more than 10% of marriages are between first or second cousins. Cousin marriage is an important topic in anthropology and alliance theory.
Consanguinity
Consanguinity ("blood relation", from Latin consanguinitas) is the characteristic of having a kinship with a relative who is descended from a common ancestor. Many jurisdictions have laws prohibiting people who are related by blood from marrying or having sexual relations with each other. The degree of consanguinity that gives rise to this prohibition varies from place to place. Such rules are also used to determine heirs of an estate according to statutes that govern intestate succession, which also vary from jurisdiction to jurisdiction.
Alawites
The Alawites (علوية), or pejoratively Nusayris (Nuṣayriyya), are an Arab ethnoreligious group that live primarily in the Levant and follow Alawism, a sect of Islam that originated from Shia Islam. The Alawites venerate Ali ibn Abi Talib, revered as the first Imam in the Twelver school, as the physical manifestation of God. The group is believed to have been founded by Ibn Nusayr during the 9th century. Ibn Nusayr was a disciple of the tenth Twelver Imam, Ali al-Hadi and of the eleventh Twelver Imam, Hasan al-Askari.
Amish
The Amish (ˈɑːmᵻʃ; Amisch; Amische), formally the Old Order Amish, are a group of traditionalist Anabaptist Christian church fellowships with Swiss German and Alsatian origins. They are closely related to Mennonite churches, a separate Anabaptist denomination. The Amish are known for simple living, plain dress, Christian pacifism, and slowness to adopt many conveniences of modern technology, with a view neither to interrupt family time, nor replace face-to-face conversations whenever possible, and a view to maintain self-sufficiency.
Inbreeding
Inbreeding is the production of offspring from the mating or breeding of individuals or organisms that are closely related genetically. By analogy, the term is used in human reproduction, but more commonly refers to the genetic disorders and other consequences that may arise from expression of deleterious recessive traits resulting from incestuous sexual relationships and consanguinity. Animals avoid incest only rarely. Inbreeding results in homozygosity, which can increase the chances of offspring being affected by recessive traits.

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