A middle-school student asks her mom, who is a student nurse, to explain the difference between mitosis and meiosis. Based on this information, what is the best explanation of the difference between mitosis and meiosis?
1 . In mitosis, cells divide into four parts to reproduce themselves. Each of the "daughter and son cells" is unique and differs from the "mother and father" cells.
2 . In meiosis, cell division produces eggs or sperm that contain half the total number of chromosomes.
3 . In mitosis, cells divide into two parts to reproduce themselves. Each of the "daughter cells" is an exact genetic duplicate of the original or "mother" cell.
4 . In meiosis, cell division produces chromosomes for the body's growth, repair, and replacement of injured and dead tissues.
A) 1, 2
B) 1, 4
C) 2, 3
D) 3, 4
C
Feedback:
Through a complicated process called mitosis, cells divide into two parts to reproduce themselves. Each of the "daughter cells" is an exact genetic duplicate of the original or "mother" cell. The body can be thought of as a group of cells, and mitosis is responsible for the body's growth, repair, and replacement of injured and dead tissues. In meiosis, cell division produces eggs or sperm that contain half the total number (23) of chromosomes.
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