polytene chromosome

[ pol-ee-teen ]

nounGenetics.
  1. a giant, cross-banded chromosome that results from multiple replication of its genetic material with the duplicated chromatin strands remaining closely associated.

Origin of polytene chromosome

1
First recorded in 1970–75; poly- + -tene

Words Nearby polytene chromosome

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024