Chromosome, Chromatin, Chromatid What is the Difference This lecture explains about the difference between Chromosome, Chromatin, Chromatid. A chromosome consist of a DNA double helix bearing a linear sequence of genes.
The DNA is coiled and recoiled around proteins called histones. The resulting complex is called chromatin.
During the cell division, more precisely during the Sphase of interphase, DNA is replicated. The resulting two identical copies of DNA are connected to each other at the centromere. Each copy is called a chromatid.
A chromosome, before cell division is formed by one chromatid while it is formed pf two chromatids after cell division.
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