Difference between heterochromatin and euchromatin
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Heterochromatin is a part of chromosome, a tightly packed form of DNA whereas euchromatin is an uncoiled form of chromatin.
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Heterochromatin has tighter DNA packing than euchromatin.
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Heterochromatin stains dark in interphase whereas euchromatin stains lightly with basic dyes but stains dark during mitosis, when it is in condensed state during each repetition of the cell cycle.
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Heterochromatin contains more number of DNA compare to euchromatin.
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Heterochromatin found in eukaryotes whereas euchromatin found in both eukaryotes and prokaryotes.
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Heterochromatin is genetically inactive and euchromatin is genetically active.
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Heterochromatin is late replicative whereas euchromatin is early replicative.