Multiple Choice
Which of the following is a feature that mitosis and meiosis have in common?
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12. Meiosis
Mitosis & Meiosis Review
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Which statement describes one difference between mitosis and meiosis in animal cells?
A
Meiosis results in cells with the same chromosome number as the parent cell, while mitosis halves the chromosome number.
B
Mitosis involves two rounds of cell division, while meiosis involves only one.
C
Mitosis occurs only in reproductive organs, while meiosis occurs in all body cells.
D
Mitosis produces two genetically identical diploid cells, while meiosis produces four genetically unique haploid cells.
Verified step by step guidance1
Step 1: Begin by understanding the processes of mitosis and meiosis. Mitosis is a type of cell division that results in two genetically identical diploid cells, meaning they have the same chromosome number as the parent cell. Meiosis, on the other hand, is a type of cell division that produces four genetically unique haploid cells, meaning they have half the chromosome number of the parent cell.
Step 2: Recognize the purpose of each process. Mitosis is primarily involved in growth, repair, and asexual reproduction, occurring in somatic (body) cells. Meiosis is involved in sexual reproduction, occurring in reproductive organs to produce gametes (sperm and egg cells).
Step 3: Compare the number of divisions in each process. Mitosis involves a single round of cell division, while meiosis involves two rounds of cell division: meiosis I and meiosis II. This distinction is crucial for understanding the difference in the number and genetic composition of the resulting cells.
Step 4: Analyze the genetic outcomes. Mitosis produces two genetically identical cells, maintaining the diploid chromosome number. Meiosis, however, introduces genetic variation through processes like crossing over and independent assortment, resulting in four genetically unique haploid cells.
Step 5: Evaluate the statements provided in the problem. The correct answer is the one that accurately describes the outcomes of mitosis and meiosis: 'Mitosis produces two genetically identical diploid cells, while meiosis produces four genetically unique haploid cells.'
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