| 单词 | gene |
| 释义 | gene (once / 419 pages) n Microscopic, yet powerful, a gene is segment of DNA, the molecule that stores the code for building living bodies. A gene is a single unit of genetic information, stored on twisting strands in every cell of every living being. In sexual reproduction, the parents' genes mix together to make the child. Although people would like to think that genes code for discrete traits, like friendliness or mathematical genius, that's not the case. Genes control the color of your eyes and the shape of your toes, not your weird personality. WORD FAMILYgene: genes, genetic, genetical, genic, transgene+/genetic: genetically, geneticism, genetics/geneticist: geneticists/genetics: geneticist/transgene: transgenes USAGE EXAMPLESHospitals hope to analyze genes to personalize medical care. Washington Post(Dec 30, 2016) For more articles, as well as features such as Date Lab, Gene Weingarten and more, visit The Washington Post Magazine. Washington Post(Dec 29, 2016) Later, a stylized dream sequence recalls Gene Kelly’s pursuit of Leslie Caron in the ballet that closes “An American in Paris.” Washington Post(Dec 30, 2016) n (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity Syn|Hypo|Hyper cistron, factor dominant gene gene that produces the same phenotype in the organism whether or not its allele identical allele, allelomorph(genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character genetic markera specific gene that produces a recognizable trait and can be used in family or population studies homeotic geneone the genes that are involved in embryologic development lethal geneany gene that has an effect that causes the death of the organism at any stage of life linkage group, linked genesany pair of genes that tend to be transmitted together modifier, modifier genea gene that modifies the effect produced by another gene mutant genea gene that has changed so that the normal transmission and expression of a trait is affected nonallelegenes that are not competitors at the same locus operator genea gene that activates the production of messenger RNA by adjacent structural genes oncogene, transforming genea gene that disposes normal cells to change into cancerous tumor cells polygenea gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations proto-oncogenea normal gene that has the potential to become an oncogene recessive genegene that produces its characteristic phenotype only when its allele is identical regulator gene, regulatory genea gene that produces a repressor substance that inhibits an operator gene repressor genegene that prevents a nonallele from being transcribed structural genea gene that controls the production of a specific protein or peptide suppresser, suppresser gene, suppressor, suppressor genea gene that suppresses the phenotypic expression of another gene (especially of a mutant gene) transgenean exogenous gene introduced into the genome of another organism X-linked genea gene located on an X chromosome Y-linked gene, holandric genea gene located on a Y chromosome dominant, dominant allelean allele that produces the same phenotype whether its paired allele is identical or different recessive, recessive allelean allele that produces its characteristic phenotype only when its paired allele is identical homeobox, homeobox geneone of various similar homeotic genes that are involved in bodily segmentation during embryonic development CFTR, cystic fibrosis transport regulatorthe gene that is mutated in cystic fibrosis tumor suppressor genea suppressor gene that blocks unscheduled cell division sequence serial arrangement in which things follow in logical order or a recurrent pattern |
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