Genetic defect and Milk intolerance

Genetic defect noun - A disease or disorder that is inherited genetically.

Milk intolerance and genetic defect are semantically related. In some cases you can replace phrase "Milk intolerance" with "Genetic defect", this phrases are similar.

Milk intolerance noun - Congenital disorder consisting of an inability to digest milk and milk products; absence or deficiency of lactase results in an inability to hydrolyze lactose.

Genetic defect and milk intolerance are semantically related. You can use "Genetic defect" instead a noun phrase "Milk intolerance".