单词	balanced lethal
释义	balanced lethal noun : a true-breeding heterozygous organism maintained in a stable state through the existence of different lethals on each of a pair of homologous chromosomes and resulting in loss of all homozygotes Word History First Known Use 1917, in the meaning defined above
随便看	dogheaded bankrolled bankroller bankrollers bankrolling bankrolls bankrupt bankrupt worm bankruptcies bankruptcy bankrupted bankrupter bankruptest bankrupting bankrupts banks Banks banks (on or upon) Banks Island Banks Islands banks on banks on or upon banks' air pine banks' pine bankshall

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