Genes are the instructions used to produce all human characteristics. A genetic mutation is a permanent change in the DNA sequence that makes up a gene. Normally, the NF1 gene is responsible for producing a protein that helps regulate the growth of nerve tissue.
Signs and symptoms include: Flat, light brown spots on the skin , Soft bumps on or under the skin ,Bone deformities. Tumor on the optic nerve.
·NF1 is the most common neurological disorder caused by a single gene; occurring in one in every 3,000 children born.
·NF2 is a rarer type, occurring in 1:25,000 people worldwide.