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Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres?
Options
(a) Metaphase – I
(b) Metaphase – II
(c) Anaphase – I
(d) Anaphase – II
Correct Answer:
Anaphase – I
Explanation:
Anaphase I begins when the two chromosomes of each bivalent (tetrad) separate and stat moving toward opposite poles of the cell as a result of the action of the spindle. In anaphase I the sister chromatids remain attached at their centromeres and move together toward the poles.
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Topics: Cell Structure and Functions
(413)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Topics: Cell Structure and Functions (413)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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