| 单词 | identical twin |
| 释义 | > as lemmasidentical twin d. identical twin, either of a pair of twins who, as a result of being monozygotic (formed by the division of a single ovum), are alike in all genetic characteristics (including sex) and generally very similar to one another in appearance; usually in plural. Contrasted with fraternal twin. Similarly identical triplet, identical quadruplet. ΘΚΠ society > society and the community > kinship or relationship > kinsman or relation > child > [noun] > twins > a twin > identical identical twin1889 identical1917 the world > life > biology > biological processes > procreation or reproduction > [noun] > offspring > multiple offspring: twins > twins: one of > twin: specific type identical twin1889 fraternal twin1896 fraternal1911 identical1917 1889 S. Schönland tr. A. Weismann Ess. Heredity vi. 381 Under conditions of nutriment which are as identical as possible, two egg-cells develope into unlike twins, one into identical [Ger. ähnlichen] twins; although we cannot yet affirm that the latter result invariably follows. 1927 Q. Rev. Biol. 2 415/2 The Texas armadillo typically produces four identical quadruplets from a single egg. 1941 J. S. Huxley Uniqueness of Man ii. 48 Fraternal twins of like sex, though as we would expect they show considerably less resemblance than identical twins, are more alike than pairs of brothers or sisters born at different times. 1964 J. M. Argyle Psychol. & Social Probl. vi. 77 The best method of studying the extent of genetic factors is by means of identical and fraternal twins. 1973 Oxf. Times 6 Apr. 8 On Monday the first LP by the only identical triplet sisters act in British show business was released. 1994 New Scientist 12 Feb. 40/2 If one identical twin has the disease, there is a 40 per cent likelihood that the other twin will too. 2004 N.Y. Times Mag. 18 July 58/2 When we saw the specialist, we found out that I was carrying identical twins. < as lemmas |
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