Despiralisation of chromosomes takes place during
a) metaphaze b) prophase
c) anaphase d) telophase
Answers
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Answer:
(d) Telophase
Explanation:
Despiralisation of chromosomes takes place during Telophase.
(d) Telophase
During telophase, the chromosomes begin to decondense, the spindle breaks down, and the nuclear membranes and nucleoli re-form. The cytoplasm of the mother cell divides to form two daughter cells, each containing the same number and kind of chromosomes as the mother cell.
(a) Metaphase
Metaphase is a stage during the process of cell division (mitosis or meiosis). Normally, individual chromosomes are spread out in the cell nucleus. During metaphase, the nucleus dissolves and the cell's chromosomes condense and move together, aligning in the center of the dividing cell.
(b) Prophase
During prophase, the chromosomes condense and centrosomes move to opposite sides of the nucleus, initiating formation of the mitotic spindle.
(c) Anaphase
In anaphase the chromosomes divide along their longitudinal axes to form 2 daughter chromatids, which then migrate to opposite poles of the cell. Telophase is characterized by formation of 2 new nuclear membranes and nucleoli, duplication of the centrioles, and cytoplasmic cleavage to form the 2 daughter cells.
Therefore, option (d) Telophase is correct.
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