Which chronic diasease may be prevented by regular visits to dentists

Me with this i need to get the answer quickly.

Which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.

Some traits such as the color of your eyes and the shape of your nose are controlled by and may affect your health and well-being