This soft, waxy substance is found not only in your bloodstream but also in every cell in your body, where it helps to produce cell membranes, hormones, vitamin D, and bile acids that help you digest fat. Cholesterol also helps in the formation of your memories and is vital for neurological function.
Answer:
Numerical abnormalities are whole chromosomes that either have too many chromosomes the pair or is missing one. Meanwhile, structural abnormalities are where chromosomes duplicate or delete themselves, or it could also be two different chromosomes forming together awkwardly.
Your answer is A. Midbrain, pons, and medulla.
