Not that long ago, family secrets had every chance of staying that way – until the boom in DNA testing. It was 25 years ago that the first genetic genealogy tests were offered to the public. Since then, 40 million people worldwide are thought to have tested their DNA ancestry through companies such as Ancestry, MyHeritage and 23andMe.
While some want to build their family tree, others are trying to find parents, siblings and other relatives, particularly if they’ve been adopted – like the twins separated at birth who found each other years later.
