Genetics and environmental factors combine to shape these results because intelligence is a result of both genetics and the environment.
What is intelligence?
Intelligence is a complex quantitative trait linked with genes and environmental factors (e.g., nutrients during development).
Intelligence trait is also shaped by the interaction between both genetic and environmental factors, and cultural/educational context (i.e., environment) can influence this characteristic.
In conclusion, genetics and environmental factors combine to shape these results because intelligence is a result of both genetics and the environment.
Learn more about intelligence traits here:
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