单词 | isochromosome |
释义 | > as lemmasisochromosome isochromosome n. Brit. /ˌʌɪsə(ʊ)ˈkrəʊməsəʊm/ , U.S. /ˌaɪsoʊˈkroʊməˌsoʊm/ , /ˌaɪsəˈkroʊməˌsoʊm/ Cytology an abnormal chromosome having a pair of identical arms.ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > types of chromosome chromoplastid1885 accessory chromosome1899 chromoplast1902 X1902 heterochromosome1904 idiochromosome1905 macrochromosome1905 allosome1906 autosome1906 monosome1906 sex chromosome1906 supernumerary1907 X chromosome1911 Y chromosome1911 univalent1912 euchromosome1914 W1917 monosome1921 tetrasome1921 trisome1921 heterosome1938 isochromosome1939 trisomic1939 metacentric1945 acrocentric1949 polycentric1953 Philadelphia chromosome1961 monocentric1979 1939 C. D. Darlington in Jrnl. Genetics 37 357 The attached-X chromosome has two exactly similar arms united at the centromere. It is what we may call an iso-chromosome. 1972 W. V. Brown Textbk. Cytogenetics xix. 268 The only likely iso~chromosomes found in human beings are of the long arm of a G-group chromosome, probably No. 21, and of the X chromosome. < as lemmas |
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