Moderate

How do the daughter cells at the end of mitosis and cytokinesis compare with their parent cell when it was in G1 of the cell cycle?

Correct answer: D. The daughter cells have the same number of chromosomes and the same amount of DNA

  • A. The daughter cells have half the amount of cytoplasm and half the amount of DNA
  • B. The daughter cells have half the number of chromosomes and half the amount of DNA
  • C. The daughter cells have the same number of chromosomes and half the amount of DNA
  • D. The daughter cells have the same number of chromosomes and the same amount of DNA

Explanation

At the end of mitosis and cytokinesis, the daughter cells produced are identical to each other and to the parent cell when it was in the G1 phase of the cell cycle in terms of the number of chromosomes and the amount of DNA. As the cell progresses through the cell cycle, it replicates its DNA during the S phase, resulting in the formation of identical sister chromatids for each chromosome. During mitosis, these sister chromatids are separated into two daughter cells, ensuring that each daughter cell receives a complete and identical set of chromosomes. Therefore, at the end of mitosis and cytokinesis, the daughter cells have the same number of chromosomes and the same amount of DNA as the parent cell in the G1 phase of the cell cycle. They are genetically identical to each other and to the original parent cell.

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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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