The extent to which differences in intelligence among a group of people are attributable to genetic factors is known as the of intelligence.

It is known as the heritability of intelligence, The extent to which differences in intelligence among a group of people are attributable to genetic factors. Heritability is defined as the mathematical estimate that indicates how much traits in the population variation can be attributed to genes. The heritability of intelligence vary, and most of the researchers believes that heritability of intelligence is between 60 - 80 percent.