The degree of relatedness of two members of a pedigree is calculated using _____.

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The coefficient of inbreeding is a measure of the probability that the two alleles at any locus in an individual are identical by descent (i.e., they are derived from a common ancestral copy). It is used to quantify the degree of relatedness between two individuals in a pedigree. The coefficient ranges from 0 for two unrelated individuals to 1 for individuals who both inherited identical copies of a particular allele from a common ancestor.

The Degree of Relatedness of Two Members of a Pedigree