| 释义 |
sex-linked, a.
(stress variable)
[f. as prec. + linked ppl. a.]
1. Being or determined by a gene that is carried on a sex chromosome.
[1905Brit. Med. Jrnl. 28 Oct. 1095/1 Thus, in haemophilia, the abnormality is habitually linked with one sex.] 1912Jrnl. Exper. Zool. XIII. 80 In the male-producing sperm, where no X is present, the sex-linked characters are always absent. 1923[see sex-limited a. 2]. 1974Encycl. Brit. Micropædia III. 23/2 Colour blindness, which affects about 20 times as many males as females, is a sex-linked recessive character.
2. Occurring only or characteristically in one sex.
1932Auden Orators ii. 42 Self-regard, in origin a mere accident of overcrowding, like haemophilia is a sex-linked disease. 1956H. W. Papashvily All Happy Endings v. 75 In the writing of Uncle Tom's Cabin, Mrs. Stowe had exhibited many of those qualities considered by her contemporaries to be sex-linked to females—sympathy, tact, sensitivity, sensibility.
So sex-linkage, the state or condition of being sex-linked.
1912Jrnl. Exper. Zool. XII. 512 In this case it would seem that complete sex-linkage, such as that found..in barred fowls, would not occur at all. 1975Zool. Jrnl. CLXXVII. 330 Such sex-linkage..may give rise to a situation where a morph is common in one sex, and very rare in the other. |