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Pronunciation varies by accent · noun
(cytology) Heterochromatic tightly coiled chromosome material; believed to be genetically inactive.
Use heterochromatin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heterochromatin means (cytology) Heterochromatic tightly coiled chromosome material; believed to be genetically inactive.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heterochromatin where its definition matches the intended context.
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