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mac•ro•mu•ta•tion



Pronunciation: (mak"rō-myOO-tā'shun), [key]
n. Genetics.
a mutation that has a profound effect on the resulting organism, as a change in a regulatory gene that controls the expression of many structural genes.

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

macromutantmacron

 

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