Question

Give scientific reason : A carrier or sufferer of sickle-cell anaemia

should avoid marriage with another carrier or sufferer.​

Answer 1

Answer:

People with sickle cell disease have it because they inherited two sickle cell genes , one from each parent. In some types of sickle cell disease, people can inherit a sickle cell gene from one parent and a different abnormal hemoglobin gene from the other parent.