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different terms related cell cycle

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Difference between chromosomes and chromatin Describe the events of the formation of mitotic apparatus in plants and animals Describe formation of metaphase plate and the division of centromere during metaphase

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  • June 19, 2022
  • 4
  • 2021/2022
  • Presentation
  • Unknown

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  • cell cycle

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  • Secondary school
  • Biology
  • 4
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10.6 Difference between chromosomes and chromatin

A chromosome consists of a single, double-stranded DNA molecule. Chromatids are two molecules
of double-stranded DNA joined together in the center by a centromere. Chromosomes have a thin
ribbon-like structure. Chromatids have a thin and long fibrous structure




chromatid
A chromatid is an identical half of a duplicated chromosome. After duplication of a
chromosome, two identical halves are formed, each of which is called a chromatid.
 Chromatids are less condensed than chromosomes as these are formed once the
chromosome has uncoiled.
 The chromatids that are formed from the same chromosome and are connected in
the center by a centromere and, are called sister chromatids.
 However, chromatids might also occur in the form of non-sister chromatids where
the two chromatids from two different chromosomes are connected via chiasmata for
the exchange of genetic material.

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