英语词汇“dosage compensation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	dosage compensation
释义	DictionarySeedosage dosage compensation 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 male Drosophila and in both male and female mammals with their single active X. dosage compensation dosage compensation a genetical mechanism in which ALLELES of a gene automatically regulate the amount of a useful product produced, so that homozygous-dominant GENOTYPES produce the same amount of gene product as heterozygotes. In this way the two genotypes cannot be distinguished. Dosage compensation occurs regularly in female mammals where one X-chromosome in each cell is thought to become inactivated, leading to equal amounts of gene products in males and females. See INACTIVE-X HYPOTHESIS. LegalSeecompensationFinancialSeeCompensation
随便看	you cannot please everyone you cannot polish a turd you cannot put an old head on young shoulders you cannot put a wise head on young shoulders you cannot put new wine in old bottles you cannot run with the hare and hunt with the hounds you cannot serve god and mammon you cannot teach an old dog new tricks you cannot tell a book by its cover you cannot unring a bell you can run you can run but you can't hide you can run, but you can't hide you can say that again you can say that again! you can scarcely believe your eyes you can sell an icebox to an eskimo you can sell ice to eskimos you can sell sawdust to a lumber mill you can succeed you can take a horse to water but you cannot make him drink you can take a horse to water but you can't make him drink you can take a horse to water, but you can't make him drink you can take a horse to water, but you can't make it drink you can take it from me

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