first filial generation

基本解釋

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(yán)重，不宜在生產(chǎn)上推廣使用。