chiasmata 

  1. 名詞
chiasma複數: (染色體等的)交叉, 交叉點
/此名詞同"chiasmas"/

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                At the sites where exchange happens, chiasmata form.                            
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  2. 
                                Define the terms bivalent, tetrad, chiasmata , and crossing over.                            
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  3. 
                                The chiasmata remain on the chromosomes until they are severed in anaphase I.                            
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  4. 
                                Sites of crossing over entangle together, effectively overlapping, making chiasmata clearly visible.                            
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  5. 
                                At this stage, non-sister chromatids may cross-over at points called chiasmata (plural; singular chiasma).                            
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