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dosage compensation |
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dosage compensation [′dō·sij ‚käm·pən‚sā·shən] (genetics) A mechanism that equalizes the expression in males and females of genes located on the X chromosome, despite their presence in two doses in the homogametic sex and a single dose in the heterogametic sex. A mechanism that equalizes the expression of X-linked and autosomal genes by doubling the expression level of X-linked genes in maleDrosophilaand in both male and female mammals with their single active X. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Strict dosage compensation of all genes on the chromosome isn't necessary," concludes study coauthor Laura Carrel. Thus, the interaction between male-killer and host is not associated with somatic sex, so the target of detection and virulence is either before Sxl is produced, Sxl itself, or the dosage compensation or germ-line determination pathways. |
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