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There's no single gene for left-handedness. At least 41 regions of DNA are involved

  • Written by David Evans, Professor of Statistical Genetics, The University of Queensland
There's no single gene for left-handedness. At least 41 regions of DNA are involvedShutterstock

Most people consistently use the same hand to do tasks that require skill and control such as writing or threading a needle. We know genetics plays a big part in which hand a person prefers, but it has been difficult to identify the exact genes responsible.

To find out more, we analysed the DNA of more than 1.7 million people and...

Read more

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