Doubling of the number of chromosomes can be achieved by disrupting mitotic cell division soon after

What is the main function of the spindle fibers during mitosis?

Spindle fibers attach to kinetochores of chromosomes during

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