词汇 | genetic-modification |
释义 | genetic modification noun[ U ] biology specializeduk /dʒəˌnet.ɪk mɒd.ɪ.fɪˈkeɪ.ʃən/ us /dʒəˌnet̬.ɪk mɑː.dɪ.fɪˈkeɪ.ʃən/ the process of changing the structure of the genes of a living thing in order to make it healthier, stronger, or more useful to humans遗传(基因)工程(学) Compare genetic engineering Genetics accession number adenine anaphase autosomal autosomally dizygotic genetically genetically engineered geneticist genic genomic genomics monozygotic mutate non-Darwinian non-familial non-genetic non-mutant nondominant sex-linked genetic modification | Business Englishgenetic modification noun[ U ] ukus PRODUCTION the process of scientifically changing the genes of plants and animals in order to create forms of them that are less likely to get diseases, will grow faster, etc.: Several environmental groups object strongly to genetic modification, saying that it could have disatrous consequences that no-one can predict. See also genetically modified Compare GM Examples of genetic modificationgenetic modification There is very little information available yet about the efficiency of geneticmodification in various types of cells. Nor has the potential use of geneticmodification to create better animal models for human disease. For example, suppose that we inadvertently expose the human species to serious threats by reducing the diversity of the human genotype through geneticmodification. We do that in this country with health and safety, we do that with geneticmodification, and we do it for human fertilization and embryology. With geneticmodification, we are not moving around hundreds of genes, we are only changing one gene and keeping everything else constant. The case of biotechnology has implications for our understanding of public policy generally and for the transatlantic conflict over geneticmodification in particular. Let us begin at the lowest imaginable level of evolution: the geneticmodification of organisms through random variation and natural selection. Consequently, the agency advocated a process-based approach that would capture all substances produced through geneticmodification. As concern about the environmental risks of geneticmodification waned, congressional attention turned elsewhere. Typical examples relate to nuclear power generation, railway travel, or the geneticmodification of organisms. This unambiguously establishes that the nuclei of cultured rat cells can support development of enucleated rat eggs even following geneticmodification. Some of these public concerns about geneticmodification of animals may be based on lack of information. Human beings can no longer be thought of as fundamentally equal because geneticmodification will introduce permanent differences that cannot be transcended by cultural interventions. Dairy goats are a useful system for producing human therapeutics in their milk by geneticmodification. Geneticmodification of the vaccine strain aims at reducing the risk of spread or persistence in the environment while at the same time inducing an adaptive immune response. See all examples of genetic modification These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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