| 释义 |
sex-linkage
sex′-link`age
n. an association between genes in sex chromosomes such that the characteristics determined by these genes appear more frequently in one sex than in the other. [1910–15] sex-limited inheritance
sex-limited inheritance[′seks ¦lim·əd·əd in′her·ət·əns] (genetics) Expression of a phenotype in only one sex; may be due to either a sex-linked or autosomal gene. sex-linkage
sex-linkage Inheritance in which the gene for the condition is carried on one of the X or Y sex chromosomes. Recessive sex-linked conditions almost always affect males, are carried on the male X chromosome and thus cannot be transmitted directly from father to son. The best-known sex-linked recessive condition is haemophilia. Y-linked conditions are rare; the Y chromosome is very small and carries few genes.LegalSeeSexThesaurusSeesex |