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Researchers at King’s College London say they are able to predict educational achievement from DNA alone. Using a new type of analysis called a “genome-wide polygenic score”, or GPS, they analysed DNA samples from 3,497 people in the ongoing Twins Early Development Study. They found that people whose DNA had the highest GPS score performed substantially better at school. In fact, by age 16, there was a whole school-grade difference between those with the highest GPS scores and the lowest. The researchers herald their findings as a “tipping point” in the ability to use DNA – and DNA alone – in predicting educational achievement.
These findings will certainly generate debate, particularly about nature versus nurture. It’s a debate that forces us – often uncomfortably – to think about what makes us who we are. Are our careers, hobbies, food preferences, income levels, emotional dispositions, or even general success in life rooted in our genes (nature)? Or are we shaped more by our environment (nurture)? If it’s all down to our genes, what happens to the idea of determining our...