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[tex] \bold{Answer\;:-} [/tex]
i. The stage is anaphase.
› The centromeres split into two and the spindle fibres pull the daughter centromeres to opposite poles.
› The separated chromatids are pulled along with the centromeres.
[ Centromere divides. The sister chromatids separate and start moving towards the opposite poles with their centromeres towards the pole and arms legging behind. ]
ii. The parts are :-
1. Centrosome
2. Spindle fibres
3. Sister chromatids
iii. The chromosome number of the cell is 20.
iv. The next stage is telophase.
› The separated sister chromatids reach the opposite poles and starts decondensation.
› The spindle apparatus disappears.
› Nuclear membrane and nucleolus reappears.
[ Refer to the attachment for the diagram!]
[tex] \bold{Hope\;it \; helps\;!} [/tex]