OBJECTIVE LIFE SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The following events occur in mitosis.X:Attachment of spindle microtubules to centromeres Y:Movement of sister chromatids to opposite poles Z:Supercoiling of chromosomesWhat is the correct sequence of events?
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X
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X
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Z
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Z
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Explanation:
Detailed explanation-1: -During prometaphase the microtubules of the mitotic spindle attach to the kinetochores of condensed chromosomes. The kinetochores of sister chromatids are oriented on opposite sides of the chromosome, so they attach to microtubules emanating from opposite poles of the spindle.
Detailed explanation-2: -Anaphase stage is characterized by the following key events: Centromeres split and chromatids separate. Chromatids move to opposite poles.
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