The given alongside shown a certain stage in cell division in a cell with four chromosomes.
(i) Name the parts of the chromosome labelled A and B.
(ii) Name the structure C. What is its function?
(iii) Name the type of division. Give a reason.
(iv) Name the stage of division.
(v) Name the stages before and after the stage shown in the diagram.
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Solution

(i) Part A is chromatid and part B is centromere.

(ii) Part C is equatorial plane. Chromosomes arrange themselves at the equatorial plane.

(iii) Meiosis, because the chromosomes occur in pairs.

(iv) Anaphase I of meiosis

(v) Metaphase I of meiosis occurs before anaphase I and telophase I of meiosis occurs after anaphase I.

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Figure

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