lyonization

(li″on-ĭ-za´shәn) the process by which or the condition in which all X chromosomes of the somatic cells in excess of one are inactivated on a random basis.
Found on http://www.encyclo.co.uk/local/21001

Lyonization

Lyonization: The inactivation of an X chromosome. One of the two X chromosomes in every cell in a female is randomly inactivated early in embryonic development. Named after geneticist Mary Lyon.
Found on http://www.medterms.com/script/main/art.asp?articlekey=4227

lyonization

The inactivation of an X chromosome. One of the two x chromosomes in every cell in a female is randomly inactivated early in embryonic development. Named after geneticist mary lyon. ... (12 Dec 1998) ...
Found on http://www.encyclo.co.uk/local/20973

lyonization

Type: Term Pronunciation: lī′on-i-zā′shŭn Definitions: 1. The normal phenomenon that wherever there are two or more haploid sets of X-linked genes in each cell all but one of the genes are inactivated apparently at random and have no phenotypic expression. Lyonization is usual but not invariable for all loci. Its randomne...
Found on http://www.medilexicon.com/medicaldictionary.php?t=51997
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