| 单词 |
nullisomic |
| 释义 |
nullisomic, a. (n.) Cytology.|nʌlɪˈsəʊmɪk| Also † nullosomic. [f. as prec. + -somic, after monosomic a. (n.), etc.] Having or being a diploid chromosome complement in which one or more than one pair of homologous chromosomes is lacking. Hence as n., a nullisomic individual.
1932Genetics XVII. 694 In the hybrid population the nullosomics were readily recognized. 1939Ibid. XXIV. 510 Neither of the nullosomic plants set seeds. 1941Ibid. XXVI. 167 (heading) Nullisomics in Triticum vulgare. 1944Ibid. XXIX. 233 Some of these have been nullisomic types. 1968R. Rieger et al. Gloss. Genetics & Cytogenetics 319 Normally, nullisomics (or nullisomes) cannot survive in diploids. 1973G. S. Khush Cytogenetics Aneuploids i. 3 Kihara (1924) and Winge (1924) were the first to report the nullisomic plants of wheat. Ibid. viii. 186 Some nullisomics of Avena may have normal viability. |

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