It all depends on what inherited disease that child has and the quality and quantity of life that child is going to have. For example the genetically inherited disease called Hydrocephalus, the child will eventually die at a young age. It is a disease that can be found before the baby is born. If two people were to have a baby and found out they had a high chance of having one with hydrocephalus, they should not risk having the child because it won't even have a chance of survival, or if they find out during pregnancy they should make a decision at that point whether to keep it or abort it. I think if a child has no chance for survival or live a painful, miserable life the parents should not be able to reproduce. If the genetic disease such
