| 释义 |
genetic engineering, n.
Brit. |dʒɪˌnɛtɪk ˌɛn(d)ʒɪˈnɪərɪŋ|, U.S. |dʒəˌnɛdɪk ˌɛndʒəˈnɪrɪŋ|
[‹ genetic adj. + engineering n.]
Originally: the production of desirable genotypes by selective breeding; the application of eugenics (now rare). Later also: the alteration of the genome of an organism by laboratory techniques, esp. by the insertion, alteration, or removal of a gene; the techniques involved in this process.
1949Science 26 Aug. 208/2 In the future..genetic and eugenic counseling will become the foundation of human genetic engineering. 1951J. Williamson Dragon's Island xxiii. 180, I was expecting to find that mutation lab filled with some sort of apparatus for genetic engineering. 1968Exper. Gerontol. 3 268 Directions of inquiry which could lead us to a slowing of the ageing process without the need for genetic engineering, euphenics, or the other glittering possibilities that are offered to us by eminent spokesmen for molecular biology. 1975Proc. Royal Soc. (B.) 191182 Genetic engineering offers many exciting possibilities in aquaculture and has already demonstrated its ability in the pet-fish hobby by way of the many ornamental varieties of goldfish and guppy. 1993Super Marketing 13 Feb. 23/2 Four American companies are going ahead with genetic engineering in tomatoes aimed at providing longer shelf-life. 2000Scotsman (Nexis) 20 May 15 The genetic engineering that produced Dolly the sheep..was done so that sheep could produce a milk containing a protein which can be distilled to make medicines to treat cystic fibrosis. |