MOVING STORIES

DNA Family Secrets, 9pm, BBC2

MEL only found out as a teenager that she was conceived using donor sperm and now, aged 46, she wants to see if she can find her biological father’s identity. Fi always knew she was adopted, but only later discovered that her father murdered her birth mother. Bahaa, meanwhile, escaped the war in Syria, but is worried he might carry a deadly mutation in his DNA. Stacey Dooley offers them a shoulder to cry on as they learn the secrets of their pasts.