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F factor

sex factor (def 2).

sex factor

noun, Genetics.
a sex-determining chromosome or gene.
Also called F factor, fertility factor. a plasmid in certain bacteria that enables transfer of genetic material from a donor cell to a recipient by conjugation, resulting in recombination.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for f-factor


(informal) the quality of being attractive to members of the opposite sex
Word Origin
C20: from fanciability factor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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f-factor in Medicine

F factor n.
See F plasmid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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