I think its either B or D im not really sure..
Answer:
Write one page about something that happened to youWith interest Grammar
Answer:
C- the child must have inherited the gene from both parents.
Explanation:
Both parents could carry the trait and have no symptoms, but both parents passed it down to their child causing the child to have sickle cell anemia.
The answer is that negative chargers are concentrated at the center of the atom. Hope this helps!