Latin Amerika gazdasági fejletlensége mennyiben köszönhető az USAnak?

Most csak megkérdeztem a Geminit, az is azt mondja, hogy van genetikai összetevője: The question of how much of IQ is genetic is complex and has been the subject of extensive research and debate. While there's a general consensus that genetics plays a significant role, the exact percentage is not fixed and varies depending on several factors, including the population studied and the age group. Here's a summary of what current research suggests: * **Heritability Estimates:** Heritability is a statistical measure that estimates the proportion of variance in a trait within a population that is due to genetic differences among individuals in that population. It's important to understand that heritability does **not** indicate the degree to which an individual's IQ is determined by their genes.   * **Range of Estimates:** Studies have estimated the heritability of IQ to be between **40% and 80%**. * **Age as a Factor:** Heritability of IQ tends to **increase with age**.  * In infancy, heritability estimates can be as low as **20%**. * In middle childhood, it rises to around **40%**. * By late adolescence and adulthood, heritability estimates are typically much higher, ranging from **60% to 80%**, with some recent studies suggesting it could be as high as **80%**.   * **Environmental Influence:** While genetics plays a substantial role, environmental factors are also crucial in shaping intelligence. Factors like nutrition, parental socioeconomic status, education, and early childhood experiences all contribute to IQ development.   * **Gene-Environment Interaction:** Genes and environment don't act independently. There is a complex interplay where an individual's genetic predispositions can influence the environments they seek out, and environmental factors can affect how genes are expressed (epigenetics).   * **Missing Heritability:** Despite the high heritability estimates from twin studies, identifying the specific genes responsible for the variation in IQ has been challenging. This is known as the "mystery of the missing heritability," suggesting that many genes, each with a small effect, are likely involved. * **Socioeconomic Status (SES):** Some research suggests that the heritability of IQ can be influenced by socioeconomic status. In impoverished families, the environment may play a more dominant role in IQ variation, while in affluent families, genetic factors might account for a larger proportion of the differences.   In conclusion, while a significant portion of the variation in IQ within a population is attributable to genetic differences (with estimates generally increasing with age and often cited around 50-75% in adults), environmental factors are also crucial and interact with genetic predispositions in complex ways. It's inaccurate to assign a single, fixed percentage to the genetic contribution of an individual's IQ. Szerintem, a körülmények, amelyek között nevelkedsz bizonyára sokszor nem teszik lehetővé, hogy elérd a lehetséges maximumot. De az viszont szerintem genetikai (is).