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  4. The figure below represents the structure of the chromosome. <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/b-eafwr7iuasri.png /> Select the correct option regarding the structure.

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Q. The figure below represents the structure of the chromosome.
Question
Select the correct option regarding the structure.

NTA AbhyasNTA Abhyas 2020Cell : The Unit of Life

Solution:

Centromere is the primary constriction found in chromosome of dividing cells. Centromere holds the two sister chromatids together. Each chromatid generally have 2 DNA; thus, a chromosome of 2 sister chromatids will have 4 DNA.
Telomere is the end or the terminal region of a chromosome.