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Dictionary

pol'y•tene chro"mosome

Pronunciation: (pol'ē-tēn"), [key] Genetics.
a giant, cross-banded chromosome that results from multiple replication of its genetic material with the duplicated chromatin strands remaining closely associated.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

polytechnic

polytetrafluoroethylene

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