first filial generation

常見例句

雙語例句

• F1 The first filial generation; i. e. the first generation that results from a particular cross.
  子一代（雜種一代）：雜交第一代，也就是一個特定雜交產(chǎn)生的第一代。
• The crossing from two different geographical wild populations in-creased the genetic diversity of the first filial generation.
  不同地理種群間雜交能夠增加子代的遺傳多態(tài)性。
• Nevertheless, only the first filial generation (F1) of the hybrid Bt transgenic was available. The F2 generation was not suggested to extension because of its segregation of character.
  雜交抗蟲棉只有其F1代種有較高的使用價值，F(xiàn)2代性狀分離嚴重，不宜在生產(chǎn)上推廣使用。
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