Studies on twins have revealed the genetic nature of many medical conditions, including autism and ADHD. Now they're giving us unnerving insights into many behavioural traits too.Credit: iStockphotoFrom Cosmos:
Is it our experiences or our genes that make us who we are? Studying twins has revealed unexpected, and often unnerving, insights into the nature versus nurture debate.
Imagine receiving a phone call out of the blue. You find the voice on the other end eerily familiar as it tells you some life-changing news: you are, in fact, a twin. And when it comes time to meet face-to-face, you find it’s like gazing into a mirror. You share a similar dress sense, hairstyle and even idiosyncratic gestures and expressions you thought were uniquely yours.
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