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The kinship coefficient is a simple measure of relatedness, defined as the probability that a pair of randomly sampled homologous alleles are identical by descent. [12] More simply, it is the probability that an allele selected randomly from an individual, i, and an allele selected at the same autosomal locus from another individual, j, are ...
Coefficient of relationship – Mathematical guess about inbreeding; Cognatic kinship – Mode of descent; Cousin marriage in the Middle East – Consanguineous relationships in the Middle East; Endogamy – Marrying within a specific ethnic group, class, or social group; Exogamy – Social arrangement which only allows marriage outside a ...
In this pedigree chart, G is the progeny of C and F, and C is the biological uncle of F. To find the coefficient of inbreeding of G, first locate a loop that leads from G to the common ancestor through one parent and back down to the other parent without going through the same individual twice. There are only two such loops in this chart, as ...
The kinship coefficient decreases as a function of distance and if a mutation occurs in either locus or if the gamete kinship chain is zero, the kinship coefficient will be zero. Yoichi Ishida interprets alteration in neighborhood size as alteration in dispersal variance linking both Wright's statistical theory and Malécot's probabilistic ...
This is the Malecot's method of coancestry [1] (or "coefficient of kinship"; "coefficient of relationship" is a similar measure which can be computed) between genotype i and j. The probability that any pair of genes is IBD, Θ, can be found by adding over all possible pairs of genes from N parents.
In the lineal kinship system used in the English-speaking world, a niece or nephew is a child of an individual's sibling or sibling-in-law. A niece is female and a nephew is male, and they would call their parents' siblings aunt or uncle. The gender-neutral term nibling has been used in place of the common terms, especially in specialist ...
Patrilineality, also known as the male line or agnatic kinship, is a form of kinship system in which an individual's family membership derives from and is traced through his or her father's lineage. [71] It generally involves the inheritance of property, rights, names, or titles by persons related through male kin.
In Catholic canon law, affinity is an impediment to marriage of a couple due to the relationship which either party has as a result of a kinship relationship created by another marriage or as a result of extramarital intercourse. The relationships that give rise to the impediment have varied over time.