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What chromosome feature do sedges and rushes share?
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Cyperaceae
Spikes of sedge (Carex pendula).
Sedges (family Cyperaceae) and rushes (family Juncaceae) share a specialized chromosome structure characterized by diffuse centromeres.1
Unlike many other plants that possess localized centromeresāthe specific points where spindle fibers attach during meiosisāsedges and rushes have centromeres that are distributed diffusely over the entire length of their chromosomes.1