Chromosomal disease results from an uncontrollable growth of abnormal cells. Correct answer: B
The most common reasons for chromosome abnormalities are: errors during dividing of sex cells (meiosis)
, errors during dividing of other cells (mitosis) or substances that cause birth defects (teratogens).
<span>If a person's body becomes so accustomed to a particular drug that it can only function normally if the drug is present, that person is <u>dependent </u>on the drug. </span>
