Chromosomes become short,dense,and distinct,e | vedclass

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(D) The events described,such as the condensation of chromatin into short,dense,and distinct chromosomes,the presence of a centromere with two chromat

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Both $(a)$ and $(c)$

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(D) The events described,such as the condensation of chromatin into short,dense,and distinct chromosomes,the presence of a centromere with two chromatids,and the disappearance of the nucleolus and nuclear envelope,are characteristic features of the prophase stage of cell division.In mitosis,these events occur during prophase.In meiosis $II$,these events occur during prophase $II$.Therefore,both prophase (of mitosis) and prophase $II$ (of meiosis) exhibit these specific morphological changes.Thus,the correct answer is $(d)$.

List-$I$ (Phase of cell cycle)	List-$II$ (Activity)
$A$. $G_1$ phase	$I$. Actual cell division occurs
$B$. $S$ phase	$II$. Cell is metabolically active and continuously grows but does not replicate its $DNA$
$C$. $G_2$ phase	$III$. Synthesis of $DNA$ occurs and the amount of $DNA$ per cell doubles
$D$. $M$ phase	$IV$. Proteins are synthesized while cell growth continues

Chromosomes become short,dense,and distinct,each chromosome consists of a centromere and two chromatids,and the nucleolus and nuclear envelope disappear. During which phase are these changes observed?

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