Answer:
Ureteroplasty is surgery to remove the stricture.
Explanation:
Sickle cell anemia<span> is the result of a point mutation, a change in just one nucleotide in the gene for hemoglobin. This mutation </span>causes<span> the hemoglobin in red blood cells to distort to a sickle shape when deoxygenated.</span>
Everywhere , but an example is: rain rusting an old car
