单词 | sex-linked |
释义 | sex-linkedadj. 1. Genetics. Of a gene: carried on a sex chromosome. Of a characteristic: determined by such a gene.Specific instances may be distinguished as X-linked or Y-linked. See also notes at sex-limited adj. 1, sex linkage n. ΘΚΠ the world > life > biology > biological processes > genetic activity > [adjective] > changes or actions of genes or chromosomes > linkage sex-limited1908 sex-linked1912 X-linked1949 Y-linked1949 linked1973 1905 Brit. Med. Jrnl. 28 Oct. 1095/1 Thus, in haemophilia, the abnormality is habitually linked with one sex.] 1912 Jrnl. Exper. Zool. 13 80 In the male-producing sperm, where no X is present, the sex-linked characters are always absent. 1938 R. Goldschmidt Physiol. Genetics vi. 125 In the overwhelming majority of cases, one sex-linked gene in the heterozygous sex has the same effect as two in the homozygous sex. 1964 Times 31 July 9/5 It [sc. muscular dystrophy] is inherited by what is known as a sex-linked recessive gene. This means that it is transmitted by females but occurs in males. 1974 Encycl. Brit. Micropædia III. 23/2 Colour blindness, which affects about 20 times as many males as females, is a sex-linked recessive character. 2001 Science 5 Oct. 59/3 The American eugenicist Charles B. Davenport..constructed elaborate pedigrees for..thalassophilia or ‘love of the sea’ (which he found to be a Mendelian sex-linked recessive, especially prominent in the families of naval officers). 2. Of, occurring in, or associated with one sex. ΘΚΠ the world > life > sex and gender > [adjective] > restricted to or having characteristics of one sex only sexual1815 unisexual1873 monosexual1904 sex-limited1910 unisex1917 sex-linked1932 1932 W. H. Auden Orators ii. 42 Self-regard, in origin a mere accident of overcrowding, like haemophilia is a sex-linked disease. 1971 R. Rapoport & R. N. Rapoport Dual-career Families Re-examined 54 The management of the boat falls to ‘the men’ of the family but not because of any sex-linked idea of mechanical competence. 1992 Time 20 Jan. 44/3 Subtle sex-linked preferences have been detected as early as 52 hours after birth. 2000 C. West & D. H. Zimmerman in M. S. Kimmel & A. Aronson Gendered Society Reader 133 Analyses of sex and gender in the social sciences..often retain a conception of sex-linked behaviors and traits as essential properties of individuals. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022). < adj.1912 |
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