| 单词 | θ19131 |
| 释义 | the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > types of chromosome (36) chromoplastid1885 accessory chromosome1899 a chromosome that differs in form or behaviour from the usual chromosomes of a species; (in early use) esp. a sex chromosome or B chromosome. chromoplast1902 A chromatophore that contains pigments other than chlorophyll, esp. one that contains no chlorophyll. Also attributive. X1902 Genetics. (Now always as a capital.) The symbol of the X chromosome, n. So X-linked adj. (stress variable) being or determined by a gene that is… heterochromosome1904 a modified or differentiated chromosome, esp. a sex-chromosome. idiochromosome1905 (E. B. Wilson's term for) a sex chromosome, present in only one of the sexes (the heterogametic sex), which pairs with another of a different size… macrochromosome1905 a large chromosome, esp. in the karyotype of a bird or reptile. allosome1906 Originally: any chromosome distinguished from ordinary chromosomes by some feature of appearance or behaviour; (in later use) spec. a sex… autosome1906 Any chromosome that is not a sex chromosome. monosome1906 Genetics. A sex chromosome (in a species with heterogametic sex determination). disused. sex chromosome1906 each of the chromosomes (normally two in number) in a cell's chromosomal complement, the particular combination of which normally determines an… supernumerary1907 Genetics. A supernumerary chromosome (see sense A. 2b). X chromosome1911 A chromosome with different morphology and properties from others in the complement, now recognized as a sex chromosome occurring in both sexes of… Y chromosome1911 A sex chromosome which occurs in only one of the sexes (in man and other mammals, the male) or in some species is absent altogether, its presence… univalent1912 Cytology./juːˈnɪvələnt/. A univalent chromosome. euchromosome1914 = autosome, n. W1917 Symbolic uses. Genetics. W is used to designate the female-determining sex chromosome in species in which the female rather than the male is the… monosome1921 Genetics. A chromosome that lacks its normal homologous partner. tetrasome1921 A chromosome which is represented four times in a chromosomal complement; also, a tetrasomic individual. trisome1921 A chromosome which is represented three times in a chromosomal complement; also, a trisomic individual. heterosome1938 (a) a flatfish; (b) Cytology a sex chromosome. isochromosome1939 an abnormal chromosome having a pair of identical arms. trisomic1939 A trisomic chromosome, cell, or individual. metacentric1945 A metacentric chromosome. acrocentric1949 An acrocentric chromosome. polycentric1953 Cell Biology. A multicentric chromosome or chromatid. Philadelphia chromosome1961 Medicine Philadelphia chromosome n. an abnormal small chromosome resulting from a reciprocal translocation between chromosomes 9 and 22, found in… monocentric1979 Cell Biology. A monocentric chromosome. Subcategories:— condition (5) — individual (2) — causing (1) |
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