SMN1 and Beta-thalassemia: Specifically, 95 were CFTR carriers (1 in 34 participants), 75 were SMN1 one-copy carriers (1 in 43 participants), 15 were FMR1 premutation carriers (1 in 106 female participants), 140 were alpha-thalassemia carriers (1 in 23 participants), and 34 were beta-thalassemia carriers (1 in 94 participants).