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1. Euchromatin is the chromosomes or part of chromosomes which undergoes normal cycle of condensation and decondensation during cell cycle.
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1. Heterochromatin is the chromosomes or part of chromosomes which usually remains condensed throughout cell cycle.
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2. Intensity of staining differs- darkest in metaphase to lightest in S-phase.
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2. Darkly stained than euchromatin throughout the cell cycle.
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3. Genes within euchromatin are actively transcribed.
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3. Genes within heterochromatin are usually transcriptionally inactive.
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4. They usually do not contain repetitive sequences.
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4. They usually contain repetitive sequences.
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