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Reference Terms
from Wikipedia, the free encyclopedia


The DNA which carries genetic information in cells is normally packaged in the form of one or more large macromolecules called chromosomes.

A chromosome is, minimally, a very long, continuous piece of DNA, which contains many genes, regulatory elements and other intervening nucleotide sequences.

Note:   The above text is excerpted from the Wikipedia article "Chromosome", which has been released under the GNU Free Documentation License.
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October 27, 2016

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updated 12:56 pm ET