What is the primary characteristic of Tuberous sclerosis?

The primary characteristic of Tuberous Sclerosis is its genetic nature. Tuberous Sclerosis Complex (TSC) is a genetic disorder caused by mutations in either the TSC1 or TSC2 genes, which are responsible for the production of proteins that help regulate cell growth and division. The disorder is usually inherited in an autosomal dominant fashion, meaning that only one copy of the mutated gene, inherited from an affected parent, can lead to the condition. This genetic basis is crucial for understanding how TSC manifests, affecting multiple systems in the body and leading to benign tumors, neurological symptoms, skin abnormalities, and other complications.

The other choices do not accurately describe Tuberous Sclerosis. It can affect individuals of all ages, not only adults; it is not contagious, as it is not spread from person to person; and while some symptoms can be managed with anticonvulsants, the condition itself is not solely treatable in this way, given its complexity and the various systems it impacts. Understanding the genetic aspect allows for better awareness, diagnosis, and management of Tuberous Sclerosis in affected individuals.