The first one. Gametes are the reproductive cells: sperm and egg cells. These contain the info that is passed on to the offspring, so an inherited mutation must be present in the gametes.
The reason that this question is being questioned by the nurse to the patient is because of the reason that the nurse wants to know the quality of pain that the patient is exhibiting in which the nurse would likely ask the patient of how much pain she or he exhibits from the scale 0-10.
A. prevent cross-contamination.
Answer:
D. Rounded grains cemented together by dissolved mineral.