They are all in the same catagory but have completely different meanings
No because it would look like ww to ww. So if you took a w from each parent the offspring would be ww/ have black wool. Say one parent had white wool that the offspring would be Ww so it is more likely to have white wool. Hope this helps
The answer is false because most adults can suffer from this
B. Food-Borne intoxication I believe is your answer for you my friend