9.在三倍体无籽西瓜的培育过程中,将二倍体普通西瓜幼苗用秋水仙

9.在三倍体无籽西瓜的培育过程中,将二倍体普通西瓜幼苗用秋水仙素处理,待植物成熟接受普通二倍体西瓜的正常花粉后,发育形成果实的果皮、种皮、胚芽、胚乳细胞的染色体组数依次是(  

A4224  B4435  C3334  D4436

答案

9.B

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