Doubling of chromosomes can be achieved at anaphase, as in this phase the sister chromatids gets separated, since mitotic apparatus is disrupted soon after metaphase, so the answer is option (2).
Doubling of the number of chromosomes can be achieved by disrupting mitotic cell division soon after
Held on 30 Apr 2023 · Verified 9 Jul 2026.
Prophase
Metaphase
Anaphase
Anaphase
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What is the main function of the spindle fibers during mitosis?
Match List-I with List-II \begin{array}{|l|l|l|l|}\hline & List-I & & List-II \\\hline A. & Cells are metabolically active and proliferate & I. & \mathrm{G}_2 phase \\\hline B. & DNA replication takes place & II. & \mathrm{G}_1 phase \\\hline C. & Proteins are synthesised & III. & \mathrm{G}_0 phase \\\hline D. & Quiescent stage with metabolically active cells & IV. & S phase \\\hline\end{array} Choose the correct answer from the options given below:
Match List-I with List-II. $\begin{array}{|l|l|r|l|}\hline & \begin{array}{l} \text{List-I} \\ \text{Event} \end{array} & & \begin{array}{l} \text{List-II} \\ \text{Stage of Prophase-I (Meiosis-I)} \end{array} \\ \hline A. & \text{Chiasmata formation} & I. & \text{Pachytene} \\ \hline B. & \text{Crossing over} & II. & \text{Diakinesis} \\ \hline C. & \text{Synaptonemal complex formation} & III. & \text{Diplotene} \\ \hline D. & \text{Terminalisation of chiasmata} & IV. & \text{Zygotene} \\ \hline \end{array}$ Choose the correct answer from the options given below :
Match List I with List II :  Choose the correct answer from the options given below
Recombination between homologous chromosomes is completed by the end of
Work through every NEET UG Cell Cycle and Cell Division PYQ, year by year.