A cell containing 92 chromatids at metaphase of mitosis would, at its completion, produce two nuclei each containing how many chromosomes?
Correct answer: C. 46
- A. 16
- B. 23
- C. 46
- D. 92
Explanation
In mitosis, the number of chromosomes in the daughter cells is identical to the number of chromosomes in the parent cell. During metaphase of mitosis, each chromosome is composed of two sister chromatids, so if a cell contains 92 chromatids at metaphase, it means it has 46 chromosomes (since each chromosome consists of two sister chromatids). At the completion of mitosis, each daughter cell will receive an equal number of chromosomes. Therefore, each daughter cell would contain 46 chromosomes.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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