Which measure allows behaviour geneticists to determine the percentage of similarity in phenotype among pairs of family members and is used mostly to examine mental disorders?

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The measure that allows behaviour geneticists to determine the percentage of similarity in phenotype among pairs of family members is the concordance rate. This measure is used to examine mental disorders and refers to the likelihood that both members of a pair (such as siblings or twins) have the same disorder. The genetic correlation is a statistical measure that shows the degree to which the same genes influence two different traits or behaviours. Heritability estimate is the proportion of variance in a trait or behaviour that can be attributed to genetic factors. Chromosomal correction is not a known measure in behaviour genetics.

Which Measure Allows Behaviour Geneticists to Determine the Percentage of Similarity