is galactosemia caused by a frameshift mutation
TEXT. A number sign (#) is used with this entry because classic galactosemia is caused by homozygous or compound heterozygous mutation in the galactose-1-phosphate uridylyltransferase gene (GALT; 606999) on chromosome 9p13.Description.EXT. A number sign (#) is used with this entry because classic galactosemia is caused by homozygous or compound heterozygous mutation in the galactose-1-phosphate uridylyltransferase gene (GALT; 606999) on chromosome 9p13.