A study of the ethnic distribution of families attending genetic clini
cs in Birmingham has shown a deficit of Afro-Caribbean and Pakistani f
amilies. The former may be because of a deficiency of autosomal recess
ive diseases other than sickle cell disease, but the numbers are too s
mall to be certain of this. The deficit of Pakistani families is proba
bly for a variety of causes, such as a poorer attendance rate at clini
cs unless there is some encouragement, and a lack of awareness of, or
interest in, genetic issues.