what are
genes, chromosomes, chromatin, genome
and their differences

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Solution

Genes are the sequence of nucleotides or bases present in DNA which codes for polypeptides or RNAs. Chromatin is a complex of DNA and protein which causes the packaging of DNA inside nucleus. A chromosome is a condensed form of chromatin containing proteins and a single DNA molecule and arise during cell division as an unit. Genome is the total genetic material of an organism i.e. all the genetic material present in a cell. Genome includes all the genes and the non-coding sequences of the DNA.

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