A high heritability coefficient can result when the trait varies greatly across individuals or when genes are important in an absolute sense.
What is heritability coefficient ?
The degree to which genetic variations among persons may adequately explain the variations in their attributes is known as heritability. Heritability, which is denoted by the statistic h2 in science, describes the proportion of a trait's variation that can be attributable to genetic variation. An estimation of a trait's heritability is particular to one population in a particular setting, and it might alter over time as conditions change.
Estimates of heritability range from 0 to 1. When a variable's heritability is near to zero, it means that environmental influences, rather than genetic differences, account for the majority of a person's variation in that trait. A heritability that is close to one means that genetic differences account for practically all of the variability in a trait and that environmental influences have a negligible role.
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