**Core Concept:** Neurofibromatosis is a group of genetic disorders characterized by the development of benign tumors in the nerves, skin, and bones. There are three main types of neurofibromatosis: NF1 (Neurofibromatosis type 1), NF2 (Neurofibromatosis type 2), and Schwannomatosis. These disorders are caused by mutations in specific genes and manifest clinically as distinct features.

**Why the Correct Answer is Right:** Neurofibromatosis type 1 (NF1) is an autosomal dominant disorder, meaning it is inherited in such a way that an affected individual has a 50% chance of passing the mutation to their offspring. This mode of inheritance is represented by the correct answer D (Autosomal Dominant).

**Why Each Wrong Option is Incorrect:**

A. X-linked dominant inheritance (Option A) is a mode of inheritance where a male carrying the mutation has a 50% chance of passing the mutation to his offspring, but a female carrier has a 50% chance of passing it to her sons, but not to daughters. This is incorrect for NF1, which affects both sexes equally.

B. Recessive inheritance (Option B) is a mode of inheritance where both parents must carry the mutated gene for the child to inherit the disease. This is incorrect for NF1.

C. X-linked recessive inheritance (Option C) is a mode of inheritance where females are usually carriers and males are affected. This is incorrect for NF1, which affects both sexes equally.

**Clinical Pearl:** Inheritance patterns are crucial in understanding disease occurrence and risk transmission within families. Understanding genetic disorders like neurofibromatosis helps healthcare professionals to counsel families about their risks and guide appropriate genetic testing.