disjunction

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disjunction

[dis′jəŋk·shən]
(cell and molecular biology)
Separation of chromatids or homologous chromosomes during anaphase.
(mathematics)
The connection of two statements by the word “or.” Also known as alternation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.