Satellite chromosomes have

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(D) chromosome typically possesses a primary constriction,also known as the centromere,which is essential for the attachment of spindle fibers during

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Both primary and secondary constriction

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(D) chromosome typically possesses a primary constriction,also known as the centromere,which is essential for the attachment of spindle fibers during cell division.In addition to the primary constriction,some chromosomes exhibit a secondary constriction at a constant location.This secondary constriction is often referred to as the nucleolar organizer region $(NOR)$.The small fragment of the chromosome beyond this secondary constriction is called a satellite.Therefore,satellite chromosomes possess both a primary constriction (centromere) and a secondary constriction.

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