Lara Crooks examines the possible impact of genetics on the deaf community. With sign language, in-vision subtitles.
(Repeated on Tuesday at 1.55am on BBC1)
Discover 11,128,835 listings and 278,124 playable programmes from the BBC
Lara Crooks examines the possible impact of genetics on the deaf community. With sign language, in-vision subtitles.
(Repeated on Tuesday at 1.55am on BBC1)