Lyon hypothesis n.
The hypothesis that one X-chromosome is inactive during interphase in normal females and is represented in interphase cell nuclei as the sex chromatin body.
Lyonization Ly·on·i·za·tion (lī’ə-nĭ-zā’shən) n. The phenomenon in which heterozygous females do not phenotypically express their X-linked recessive genotype or do so only randomly. Also called X-inactivation.
- Lyon king of arms
/ˈlaɪən/ noun 1. the chief herald of Scotland Also called Lord Lyon
[lee-aw-ne] /li ɔˈnɛ/ noun 1. a former province in E France. /French ljɔnɛ/ noun 1. a former province of E central France, on the Rivers Rhône and Saône: occupied by the present-day departments of Rhône and Loire. Chief town: Lyon
[lahy-uh-neyz; French lee-aw-nez] /ˌlaɪ əˈneɪz; French li ɔˈnɛz/ adjective 1. (of food, especially fried potatoes) cooked with pieces of onion. /ˌlaɪəˈneɪz; French ljɔnɛz/ adjective 1. (of food) cooked or garnished with onions, usually fried