单词 | pseudoreduction |
释义 | > as lemmaspseudoreduction pseudoreduction n. Brit. /ˌs(j)uːdə(ʊ)rᵻˈdʌkʃn/ , U.S. /ˌsudoʊrəˈdəkʃ(ə)n/ , /ˌsudoʊriˈdəkʃ(ə)n/ Cell Biology (now rare) the apparent halving of the chromosome number as a result of the pairing of homologous chromosomes at synapsis.ΘΚΠ the world > life > biology > biological processes > genetic activity > [noun] > stages of mitosis or meiosis > reduction reduction1891 reduction division1891 pseudoreduction1899 postreduction1905 prereduction1905 1899 Jrnl. Morphol. 15 Suppl. 71 It may be stated..in regard to the number of chromosomes, that it is plainly greater than in the first spermatocyte division, which is known to be post-synaptic, i.e., after the pseudo~reduction. 1954 Amer. Midland Naturalist 51 178 Pseudoreduction by parasynapsis takes place in the primary spermatocytes while the chromatin material is in the prophase. < as lemmas |
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