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Multilingual Demographic Dictionary, second unified edition, English volume

Coefficient of kinship

Multilingual Demographic Dictionary, second unified edition, English vol.
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Coefficient of kinship  (COEFFICIENT of kinship)


In the case of an inbred individual, i.e., an individual whose parents have a common ancestor, two genes are said to be identical genes 1 by descent, if both were carried by the same ancestor and are on the same locus. The probability that an individual chosen at random in a population carries two genes identical by descent is the coefficient of inbreeding 2 of the population. The coefficient of kinship 3 of a population is the probability that two individuals chosen at random in that population carry genes identical by descent on the same locus. More...