QQuestionBiology
QuestionBiology
How are meiosis and mitosis different?
# A. Chromatids are formed only during the process of meiosis.
B. Meiosis produces four cells, but mitosis produces two cells.
C. Mitosis has anaphases I and II, but meiosis has only anaphase I.
D. Mitosis produces haploid cells and meiosis produces diploid cells.
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Answer
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Step 1:I'll solve this problem by comparing meiosis and mitosis systematically:
Step 2:: Understanding Cell Division Types
- Mitosis is a process of cell division that produces two genetically identical diploid daughter cells - Meiosis is a specialized cell division that produces four genetically unique haploid cells (gametes)
Step 3:: Key Differences in Cell Number
- Mitosis produces $$2$$ daughter cells
- Meiosis produces 4 daughter cells - This matches option B: "Meiosis produces four cells, but mitosis produces two cells."
Step 4:: Chromosome and Ploidy Characteristics
- Mitosis maintains the original chromosome number (diploid) - Meiosis reduces the chromosome number by half (from diploid to haploid) - This means option D is incorrect: Mitosis produces diploid cells, while meiosis produces haploid cells
Step 5:: Chromatid Formation
- Chromatids are actually formed in BOTH mitosis and meiosis during DNA replication - Therefore, option A is false
Step 6:: Anaphase Stages
- Mitosis has one anaphase - Meiosis has two anaphases (Anaphase I and Anaphase II) - This means option C is also incorrect
Final Answer
Meiosis produces four cells, while mitosis produces two cells.
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