backcrosses 

  1. 名詞
backcross複數: 遺傳學中的: 回交/
回交雜種

    
                        
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  2. 

    動詞
backcross第三者單數現在式:
不及物動詞:
(遺傳學)回交
及物動詞:
使...(雜交種的第一代)回交

    

    
                        
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例句

                

                    
    
                                                    
  1. 
                                He reared 20 colonies from such backcrosses in all.                            
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  2. 
                                Two successive backcrosses are depicted, with individual D being the BC2 generation.                            
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  3. 
                                They focus primarily on performance tricks such as pirouettes, juggling above the head and backcrosses .                            
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  4. 
                                We expect to begin releasing third intercrosses from 15/16-American third backcrosses beginning around 2006.                            
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  5. 
                                Mice were from F6 to F8 generations, as a result of at least six generations of backcrosses to the BALB/c strain.                            
    6.