The given figure is the representation of a certain event at a particular stage of a type of cell division. What is this stage?
Correct answer: A. Prophase I during meiosis
- A. Prophase I during meiosis
- B. Prophase II during meiosis
- C. Prophase of mitosis
- D. Both prophase and metaphase of mitosis
Explanation
The given figure shows crossing over i.e., exchange of segments between two homologous chromosomes. Crossing over is a characteristic of meiosis and occurs during the pachytene stage of prophase I.
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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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