Determaine from the answers given below in which phases of karyokinesis during mitotic cell division following two incidents happen - (A) Daughter chromosomes tend to move apart from each other towards their own poles (B) Nuclear membrane and nucleolus disappear (a) (A) Prophase (B) Anaphase (b) (A) Anaphase (B) Prophase (c) (A) Telophase (B) Metaphase (d)(a) Metaphase (B) Telophase
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answer will be b) A) Anaphase B)Prophase
Explanation:
- cell division or mitotic cycle occur in four step. prophase, metaphase , anaphase and telophase.
- in prophase nuclear membrane breakdown and nucleolus disappear. chromosome start to condense.
- in metaphase chromosome arranged in equatorial plane of cell.
- in anaphase sister chromatid separate from each other and tends to move toward opposite pole
- daughter chromosome reach their own pole. nuclear membrane and nucleolus start to reappear.
- so option b) is correct
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