sex-linkage
sex′-link`age
n.
| 单词 | sex-linkage |
| 释义 | sex-linkagesex′-link`agen. sex-limited inheritancesex-limited inheritance[′seks ¦lim·əd·əd in′her·ət·əns]sex-linkagesex-linkageInheritance 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. |
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