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Do remember  forms of DNA assembly in cell

At Interphase (G1) : Chromatin : Single uncoiled strands of DNA

At Interphase (S ): DNA replicates , Chromatin becomes two strands now called as two chromatids held at one point called centromere

Prophase onwards: Two Chromatids with centromere condense and give it an appearance of chromosome.

This all is chromosome multiplication. According to me the right word should be chromatin multiplication beacuse chromosomes are condensed multiplied chromatin found in the dividing cells.
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