Recent years have seen a boom in the genetic testing industry. Now, for relatively little money you can have your DNA analysed to see where your ancestors came from. But what does this industry say about how we view race and genetics, and is this merely a return of discredited and politically reactionary race science?

Genetic testing and the return of race science Humans have always travelled extraordinary distances and mingled with extraordinary ease. But, colonialism, globalisation, the relentless churn of economic overhaul, the global dislocation of workplaces and ease of travel has meant that families have become increasingly scattered, kinship groups turfed out or uprooted.