Question

many different types of mutations can occur within the body. tay - sachs disease is a deadly disorder that is caused by a missing section in the gene coding for production of the hex a enzyme in the body. which type of mutation is responsible for causing tay - sachs disease?
substitution
replacement
insertion
deletion

Explanation:

Tay - Sachs disease is caused by a deletion mutation where there is a missing section in the gene coding for the hex - A enzyme. Substitution and replacement involve changing a single base or sequence, and insertion involves adding extra bases. Deletion is the correct type here as it involves the loss of genetic material.

Answer:

D. deletion