If a particular behavior pattern is so strongly determined by genetics that all members of a population have the pattern in virtually equal amounts, then the heritability quotient for this pattern in this population is likely to be approximately

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Heritability in a population measures the proportion of variation in a trait that can be attributed to genetic differences among individuals. If a behavior pattern is uniformly present across all members of a population, there is no variation in the trait to attribute to genetics, making the heritability quotient 0%.

If a Particular Behavior Pattern Is So Strongly Determined by Genetics