Who are you? Where are you from? How we identify ourselves is at the core of what it means to be human, and the chance to get easy, quick and affordable answers to these questions has prompted the genetic testing market to be worth almost a $1 billion a year.

The best DNA test kits give you detailed, personalised reports on … what, exactly? Where your ancestors came from? Actually, no. They tell you where your DNA is from today, which can help you research your genetic ancestry and your ethnicity, but they certainly don’t provide the quick-fix you might think. Here’s how DNA tests work, their pros and cons, and how to choose the right one for you.

What are DNA, genes and chromosomes?



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