Answer:
Proteins are macromolecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs
It's something to do with the fact that having sickle cell anaemia reduces the chances of contracting malaria, obviously a very common disease in Africa. I'm not quite sure what the link is but hopefully this helps a little bit?
Answer:
the child will either receive either an X or a Y chromosome from the father
Explanation:
The mother always give the child an X chromosome because thats the only one she can give
the father can either give an X or a Y which determines if the child will be female or male
B. I think thats right :/
Aids/ HIV
Cancer
The only thing that is a great weekend too many