Is type 1 diabetes hereditary?

Dr Partha Kar Although type 1 diabetes is not an inherited disease, there is some genetic factor. A first-degree relative (sister, brother, son, daughter) of someone with type 1 diabetes has about a 1 in 16 chance of developing type 1 diabetes. For more information on type 1 diabetes, go to https://patient.info/health/type-1-diabetes