Researchers studying cell cycle regulation in budding yeast have observed that a mutation in the CDC15 gene causes cell cycle arrest in telophase when the yeast cells are incubated at an elevated temperature. Which of the following statements best predicts the effect of the cell cycle arrest on proliferating yeast cells?

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31-01-2020
Biology

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Researchers studying cell cycle regulation in budding yeast have observed that a mutation in the CDC15 gene causes cell cycle arrest in telophase when the yeast cells are incubated at an elevated temperature. Which of the following statements best predicts the effect of the cell cycle arrest on proliferating yeast cells?

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glybitengo glybitengo · Answer 1 · 2020-01-31T09:00:30+01:00

Answer:

The yeast cells will replicate their chromosomes but will fail to complete cytokinesis.

Explanation:

Cytokinesis is a process in cell division where the cytoplasm of a parent divides into two daughter cells. It occurs in mitosis and meiosis.

Yeast proliferate asexually by budding which is a form of mitosis and has to under go all stages starting from interphase to telophase.

If a mutation in the CDC15 gene causes cell cycle arrest at telophase, it means proliferating yeast cells will replicate their chromosomes but they will fail to complete cytokinesis since it takes place at the telophase stage.