| 释义 |
bivalentenUK
bi·va·lent B0289200 (bī-vā′lənt)adj.1. Genetics Relating to or being a pair of homologous, side-by-side chromosomes, especially during meiosis; double.2. Chemistry & Immunology Divalent.
bi·va′lence, bi·va′len·cy n.bivalent (baɪˈveɪlənt; ˈbɪvə-) adj1. (Chemistry) chem another word for divalent2. (Genetics) (of homologous chromosomes) associated together in pairsn (Genetics) a structure formed during meiosis consisting of two homologous chromosomes associated together biˈvalency nbi•va•lent (baɪˈveɪ lənt, ˈbɪv ə-)
adj. 1. a. having a valence of two. b. having two valences. 2. pertaining to associations of two homologous chromosomes. n. 3. dyad (def. 2). [1865–70] bi•va′lence, bi•va′len•cy, n. bi·va·lent (bī-vā′lənt) Chemistry Having a valence of 2.Thesaurus| Adj. | 1. | bivalent - having a valence of two or having two valencesdivalentchemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions | | 2. |  bivalent - used of homologous chromosomes associated in pairs in synapsisdoublegenetic science, genetics - the branch of biology that studies heredity and variation in organismsmultivalent - used of the association of three or more homologous chromosomes during the first division of meiosisunivalent - used of a chromosome that is not paired or united with its homologous chromosome during synapsis; "a univalent chromosome" |
TranslationsbivalentenUK
bivalent[bī′vā·lənt] (chemistry) Possessing a valence of two. bivalentenUK
bivalent [bi-va´lent] divalent.the structure formed by a pair of homologous chromosomes joined by synapsis along their length during the zygotene and pachytene stages of the first meiotic prophase. After each homologous chromosome splits into two sister chromatids during the pachytene stage, this structure is called a tetrad.bi·va·lent (bī-vā'lent, biv'ă-lent), 1. Having a combining power (valence) of 2.
See also: tetrad. Synonym(s): divalent2. In cytology, a structure consisting of two paired homologous chromosomes, each split into two sister chromatids, as seen during the pachytene stage of prophase in meiosis.
See also: tetrad. bivalent (bī-vā′lənt)adj.1. Genetics Relating to or being a pair of homologous, side-by-side chromosomes, especially during meiosis; double.2. Chemistry & Immunology Divalent.
bi·va′lence, bi·va′len·cy n.bivalent Chemistry
adjective Referring to an atom with 2 valent states.
Genetics
adjective Referring to either of 2 homologous chromosomes in synapsis during meiosis.bi·va·lent (bī-vā'lĕnt) 1. Having a combining power (valence) of two.
Synonym(s): divalent. 2. cytology a structure consisting of two paired homologous chromosomes, each split into two sister chromatids, as seen during the pachytene stage of prophase in meiosis. bivalent (of a pair of homologous CHROMOSOMES) being paired during prophase I of MEIOSIS. Compare MULTIVALENT.bivalentenUK
Synonyms for bivalentadj having a valence of two or having two valencesSynonymsRelated Words- chemical science
- chemistry
adj used of homologous chromosomes associated in pairs in synapsisSynonymsRelated WordsAntonyms |