Fig. 3From: Case reports of juvenile GM1 gangliosidosisis type II caused by mutation in GLB1 genePedigree and sanger sequencing details of Family I. Using Sanger sequencing, the inheritance mode of autosomal recessive was confirmed in this family based on identified heterozygote mutation in parents and homozygote in the proband. Sanger sequencing was performed on other patients, parents and their extended family members (data not shown)Back to article page