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asynapsis
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ASYNAPSIS Definition & Meaning - Merriam-Webster
The meaning of ASYNAPSIS is failure of pairing of homologous chromosomes in meiosis.
www.merriam-webster.com
www.merriam-webster.com
Asynapsis - an overview | ScienceDirect Topics
Asynapsis triggers phosphorylation of many axis proteins, leading accumulation of the same protein and protein modifications that cause MSCI (Turner et al., ...
www.sciencedirect.com
www.sciencedirect.com
The consequences of asynapsis for mammalian meiosis - PubMed
In mammals errors in synapsis are associated with a male-biased meiotic impairment, which has been attributed to a response to persisting DNA double-stranded ...
pubmed.ncbi.nlm.nih.gov
pubmed.ncbi.nlm.nih.gov
asynapsis
asynapsis Biol. (æ-, eɪsɪˈnæpsɪs) [f. a- prefix 14 + synapsis.] Absence of synapsis; failure of chromosomes to pair in meiosis. Hence asyˈnaptic a.1930 G. W. Beadle in Cornell Univ. Agr. Exp. Sta. Mem. CXXIX. (title) Genetical and Cytological Studies of Mendelian Asynapsis in Zea mays. 1937 C. D. Da...
Oxford English Dictionary
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ASYNAPSIS Definition & Meaning - Dictionary.com
Asynapsis definition: failure of the pairing of homologous chromosomes during meiosis.. See examples of ASYNAPSIS used in a sentence.
www.dictionary.com
www.dictionary.com
The consequences of asynapsis for mammalian meiosis - Nature
It has been known for decades that errors in chromosome synapsis, that is, asynapsis, are associated with impaired fertility and that in mammals males are more ...
www.nature.com
www.nature.com
Meiotic recombination checkpoint
However the asynapsis does not happen only within sex chromosomes, and such transcription regulation was suspended until it was further expanded to all
wikipedia.org
en.wikipedia.org
Asynapsis and Desynapsis in Plants - SpringerLink
Asynapsis and desynapsis result in abnormal microsporogenesis characterized by the presence of irregular sporads with dyads, triads, and polyads ...
link.springer.com
link.springer.com
Chromosome Asynapsis Is the Main Cause of Male Sterility in the ...
We suggest that chromosome asynapsis is the main cause of meiotic arrest and male sterility in the interspecies hybrids of East Asian voles.
pmc.ncbi.nlm.nih.gov
pmc.ncbi.nlm.nih.gov
(PDF) Asynapsis and Desynapsis in Plants - ResearchGate
Asynapsis is the complete failure of homologous chromosomes to pair or synapse during the first meiotic division, whereas, desynapsis is a condition where ...
www.researchgate.net
www.researchgate.net
ASYNAPSIS 1 ensures crossover fidelity in polyploid wheat by ...
ASYNAPSIS 1 (ASY1) is a key component of the chromosome axis that promotes inter-homolog recombination, synapsis and crossover formation.
www.frontiersin.org
www.frontiersin.org
crossing
▪ I. crossing, vbl. n. (ˈkrɒsɪŋ, ˈkrɔːs-) [f. cross v.] 1. The marking with or making the sign of the cross.1530 Palsgr. 211/1 Crossyng, croisee. 1548–9 (Mar.) Bk. Com. Prayer, Offices 37 As touching kneeling, crossing..and other gestures. 1884 Evangelical Mag. Jan. 9 As many genuflexions..and as ma...
Oxford English Dictionary
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多线染色体
多线染色体一般存在于间期的细胞中,双翅目昆虫唾腺细胞中组成多线染色体的每条臂宽约20微米,长约0.5毫米,约为染色体长度的100倍,每条臂都是由上千条DNA组成,即约十次DNA复制的产物,同源染色体一般会紧密地互相配对(somatic synapsis),但部分区域可能有分开(asynapsis)的情形
wikipedia.org
zh.wikipedia.org