Gene therapy has been used to cure cystic fibrosis. Cystic fibrosis is caused by a ___ in a single gene. there is no multiple choice either so I need help!

mutation

Explanation:

A mutation is a change that occurs for the better or worse, typically used in the context of changes to DNA.

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muntation i spelled it wrong sorry

Explanation:

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.