The most common mode of inherited deafness is autosomal recessive, which accounts for around 75% of all cases.
To be affected by the disease, which shows autosomal recessive inheritance, a baby must inherit a mutant allele from each parent.
To manage autosomal recessive cerebellar ataxia (ARCA) patients in specialist clinics and collect blood samples and clinical data.
The risk of a parent with the gene passing the mutation on to a child is 50% (autosomal dominant inheritance ).
Autosomal recessive inheritance carries a risk of accompanying learning disabilities.