英语词汇“asynapsis”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

asynapsis

释义

asynapsis Biol.|æ-, eɪsɪˈnæpsɪs|
[f. a- prefix 14 + synapsis.]
Absence of synapsis; failure of chromosomes to pair in meiosis. Hence asyˈnaptic a.
1930G. W. Beadle in Cornell Univ. Agr. Exp. Sta. Mem. CXXIX. (title) Genetical and Cytological Studies of Mendelian Asynapsis in Zea mays.1937C. D. Darlington Rec. Adv. Cytol. (ed. 2) vii. 291 In ‘asynaptic’ maize which has as a rule no pairing of chromosomes at meiosis, the progeny nevertheless show the results of normal crossing-over.1949Darlington & Mather Elem. Genetics v. 110 A so-called asynaptic gene often..produces a general reduction in the crossing-over of all the chromosome pairs when homozygous.

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