| 单词 | position change |
| 释义 | > as lemmasposition change position change n. Genetics any change in the order of the genes along a chromosome. ΘΚΠ the world > life > biology > biological processes > genetic activity > [noun] > changes or actions of genes or chromosomes repulsion1908 polymery1914 hypostasis1917 inversion1921 polymerism1923 interchange1927 position change1937 heterochromatization1941 read-through1969 1937 Nature 30 Oct. 761/2 The primary structural change of inversion gives rise to secondary changes such as reduplication and deficiency. These are changes of ‘balance’, and rank with intra-genic changes and position changes as one of the three effective means of variation. 1952 C. P. Blacker Eugenics: Galton & After x. 245 These alterations of chromosome structure resulting from one or more breakages and recombinations have been called..position changes. < as lemmas |
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