What kind of gene mutation is canavan disease?

Recessive defect. Canavan disease occurs when a baby inherits a mutated gene from both parents, that when normal codes for the production of an enzyme called aspartoacyclase.Having only one mutated gene allows production of the enzyme so carriers (the parents) have no problems.

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What type of mutation is canavan disease?

Mutation of gene. More than 55 mutations in the aspa gene are known to cause canavan disease. Mutations in the aspa gene reduce or eliminate the activity of aspartoacylase, which interfers with maintaining the brain's white matter, which consists of nerve fibers covered by myelin. Nerve fibers without this protective covering malfunction and die, damaging the brain and causing canavan disease. Read more...