Question

Need help explaining as well

Answer 1

Answer:

A common and well-known example of a missense mutation is sickle-cell anemia, a blood disease. People with sickle-cell anemia have a missense mutation at a single point in the DNA. This missense mutation calls for a different amino acid, and affects the overall shape of the protein produced.

Explanation:

I would have to say A.  Fell free to correct me if i'm wrong :)