sex factorn.

Brit.

/ˈsɛks ˌfaktə/, U.S.

/ˈsɛks ˌfæktər/,

/ˈsɛks ˌfæktɔr/

Origin: Formed within English, by compounding. Etymons: sex n.¹, factor n.

Etymology: < sex n.¹ + factor n.With reference to bacteria (see sense 2), after French facteur sexuel (Jacob & Wollman 1957, in Comptes rendus hebd. de l'Acad. des Sci. 245 1840).

1. The influence of sex on a decision, action, or outcome; sex as a component or property of something.

ΚΠ

1898 Amer. Jrnl. Psychol. 10 149 The failure to take account of the sex factor in the origin of sympathy, which seems to be ascribed wholly to parental instinct.

1931 Daily Northwestern (Oshkosh, Wisconsin) 10 Apr. 26/1 In a happy marriage the sex factor is by far the most important. ‘Successful lovers..weather storms that would crush frail semi-platonic unions.’

1960 H. C. Bredemeier & J. Toby Social Probl. in Amer. xvi. 449 A psychologist observing the religious ceremonies..might conclude that the sex factor is crucial in explanation.

2003 Herald (Glasgow) (Nexis) 7 June 3 [She] has attempted to heighten the sex factor in the house..by..spending hours lounging around in a bikini.

2. Biology. A substance responsible for sex determination or sexual differentiation; spec. a gene or group of genes responsible for sex determination or for the sex-limitation of other genes; (in bacteria) a gene or group of genes (located on either a chromosome or a plasmid) which can promote the transfer of genetic material from a (‘male’) bacterium in which it is present to another (‘female’) in which recombination then takes place.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > genetic components > [noun] > factor

determinant1893

factor1901

determiner1909

sex factor1909

rate factor1927

plasmon1932

plasmagene1939

resistance transfer factor1960

rho1969

1909 Science 25 June 1004/1 Sex and its relation to the barring factor in poultry... F = the female sex factor, f = its absence or the male sex factor.

1959 Genetics 44 497 The wild type sex factor (F′) of strain K-12 is characterized by its low affinity for the chromosome and its lack of any preferential site of attachment.

1968 W. Hayes Genetics of Bacteria & their Viruses (ed. 2) xiv. 799 If the sex factor happens to be inserted into the chromosome.., the replication initiated in the sex factor proceeds around the complete, integrated structure so that the chromosome is transferred as well.

1992 New Scientist 7 Mar. 33/2 Diffusible sex factors can switch on sexual morphogenesis in the dermatophyte Arthrodema incurvatun.

This is a new entry (OED Third Edition, December 2008; most recently modified version published online March 2022).

单词	sex factor
释义	sex factorn. Brit. /ˈsɛks ˌfaktə/, U.S. /ˈsɛks ˌfæktər/, /ˈsɛks ˌfæktɔr/ Origin: Formed within English, by compounding. Etymons: sex n.¹, factor n. Etymology: < sex n.¹ + factor n.With reference to bacteria (see sense 2), after French facteur sexuel (Jacob & Wollman 1957, in Comptes rendus hebd. de l'Acad. des Sci. 245 1840). 1. The influence of sex on a decision, action, or outcome; sex as a component or property of something. ΚΠ 1898 Amer. Jrnl. Psychol. 10 149 The failure to take account of the sex factor in the origin of sympathy, which seems to be ascribed wholly to parental instinct. 1931 Daily Northwestern (Oshkosh, Wisconsin) 10 Apr. 26/1 In a happy marriage the sex factor is by far the most important. ‘Successful lovers..weather storms that would crush frail semi-platonic unions.’ 1960 H. C. Bredemeier & J. Toby Social Probl. in Amer. xvi. 449 A psychologist observing the religious ceremonies..might conclude that the sex factor is crucial in explanation. 2003 Herald (Glasgow) (Nexis) 7 June 3 [She] has attempted to heighten the sex factor in the house..by..spending hours lounging around in a bikini. 2. Biology. A substance responsible for sex determination or sexual differentiation; spec. a gene or group of genes responsible for sex determination or for the sex-limitation of other genes; (in bacteria) a gene or group of genes (located on either a chromosome or a plasmid) which can promote the transfer of genetic material from a (‘male’) bacterium in which it is present to another (‘female’) in which recombination then takes place. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > factor determinant1893 factor1901 determiner1909 sex factor1909 rate factor1927 plasmon1932 plasmagene1939 resistance transfer factor1960 rho1969 1909 Science 25 June 1004/1 Sex and its relation to the barring factor in poultry... F = the female sex factor, f = its absence or the male sex factor. 1959 Genetics 44 497 The wild type sex factor (F′) of strain K-12 is characterized by its low affinity for the chromosome and its lack of any preferential site of attachment. 1968 W. Hayes Genetics of Bacteria & their Viruses (ed. 2) xiv. 799 If the sex factor happens to be inserted into the chromosome.., the replication initiated in the sex factor proceeds around the complete, integrated structure so that the chromosome is transferred as well. 1992 New Scientist 7 Mar. 33/2 Diffusible sex factors can switch on sexual morphogenesis in the dermatophyte Arthrodema incurvatun. This is a new entry (OED Third Edition, December 2008; most recently modified version published online March 2022). < n.1898
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