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Question
Which among the following statements are incorrect?
I. In an aster, the microtubular astral rays are connected to centrioles.
II. Cytokinesis follows immediately after mitosis and meiosis I.
Which among the following statements are incorrect?
I. In an aster, the microtubular astral rays are connected to centrioles.
II. Cytokinesis follows immediately after mitosis and meiosis I.
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Solution
The correct option is D Neither I nor II
Correct answer is D.Asters are star shaped or radial microtubules which are formed around each pair of centriole during mitosis. these asters help in proper dicision and separation of the chromosomes during cell division, so that each daughter cell gets same set of chromosomes.
During mitosis or meiosis (I and II), the cell undergoes five main stages, namely, prophase, metaphase, anaphase, telophase and cytokinesis. If cytokinesis is skipped post telophase, then the chromosome numbers in the cells will double (as cytoplasm division is arrested).
Correct answer is D.
Asters are star shaped or radial microtubules which are formed around each pair of centriole during mitosis. these asters help in proper dicision and separation of the chromosomes during cell division, so that each daughter cell gets same set of chromosomes.
During mitosis or meiosis (I and II), the cell undergoes five main stages, namely, prophase, metaphase, anaphase, telophase and cytokinesis. If cytokinesis is skipped post telophase, then the chromosome numbers in the cells will double (as cytoplasm division is arrested).
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