When a DNA test revealed a decades-old family secret, Maia’s life was turned upside down.
Seventy-five-year-old Bill has never met his dad, but he's about to discover life-changing answers.
By Claire Bates
Jessica describes meeting the sperm donor who'd fathered her daughter.
A team of experts appear to have solved a mystery that has confounded academics - and the public - for decades.
Natasha always knew that she was conceived using a sperm donor, but she also knew that she would never be able to find out his identity.
A DNA test brought the Wheeler siblings back together after almost 50 years apart.
Nigerian start-up 54gene is building Africa's first bio bank for DNA.
By Charlie Jones and Amara Sophia Elahi
BBC Radio 5 Live
By Joanna Heywood
By Emma Ailes
BBC Victoria Derbyshire programme