Daily Almanac for
Nov 8, 2009
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chromoso'mal aberra'tion



Genetics.
any irregularity or abnormality of chromosome distribution, number, structure, or arrangement. Cf. deletion, duplication, inversion, translocation.

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

chromoproteinchromosome
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