How does a person inherit intelligence from someone else?
genes
http://www.google.com/#q=inherit+intelligence
thank you !
You're welcome.
When it comes to intelligence, there is no single gene that determines it. Instead, intelligence is believed to be influenced by a combination of genetic and environmental factors. While genetics plays a role, it is not the sole determinant of intelligence.
Here's a simplified explanation of how intelligence can be inherited:
1. Genetic Contribution: Intelligence is thought to have a heritable component. This means that genes passed down from parents to their children can contribute to their intelligence. However, it's important to note that multiple genes are involved, and their specific roles are not fully understood.
2. Variation in Genes: Genetic variation is essential for differences in intelligence. Each person has a unique combination of genes, and these variations contribute to individual differences in intellectual abilities.
3. Polygenetic Nature: Intelligence is a polygenic trait, meaning it is influenced by multiple genes, not a single gene. Scientists estimate that hundreds, if not thousands, of genes may be involved in intelligence. Each gene may have a small effect, and the collective contribution of these genes determines a person's cognitive abilities.
4. Interaction with Environment: While genetics sets the potential range of intelligence, environmental factors also play a crucial role. Factors such as nutrition, education, social interactions, access to resources, and opportunities for cognitive development can significantly impact intelligence.
To study the heritability of intelligence, researchers use twin studies, adoption studies, and genetic association studies to estimate the proportion of intelligence that can be attributed to genetics.
It's important to recognize that intelligence is a complex trait influenced by a combination of genetic and environmental factors. The interplay between nature and nurture shapes an individual's intellectual abilities.