sex factors

Maleness or femaleness as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or effect of a circumstance. It is used with human or animal concepts but should be differentiated from sex characteristics, anatomical or physiological manifestations of sex, and from sex distribution, the number of males and females in given circumstances.
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The prototype conjugative plasmid associated with conjugation in the K-12 strain of Escherichia coli.

Synonym: F agent, F-factor, F genote, F-genote, fertility agent, fertility factor, sex factor.