Where,and how ,are chromosomes formed? State their significance.

Dear student,
Chromosome is a long coiled DNA molecule containing genes which are associated with proteins. In the nucleus the DNA is loosely arranged in the nucleus and is known as chromatin. 
During cell division, the chromatin coils tightly around the proteins called histones to form structures called nucleosomes. The nucleosomes super coil to form the condensed DNA known as chromosomes.
The herediatry information is physically transmitted from one generation to the next generation through the chromosomes.

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