题目

某兴趣小组拟用组织培养繁殖一种名贵花卉，其技术路线为“取材→消毒→愈伤组织培养→出芽→生根→移栽”。下列有关叙述，错误的是( ) A．消毒的原则是既杀死材料表面的微生物，又减少消毒剂对细胞的伤害 B．在愈伤组织培培养中加入细胞融合的诱导剂，可获得染色体加倍的细胞 C．出芽是细胞再分化的结果，受基因选择性表达的调控 D．生根时，培养基通常应含α—萘乙酸等生长素类调节剂 the duty of taking good care of my parents, I have decided to work in Quanzhou, which is close to my hometown.A. To consider B. ConsideringC. Considered D. To have considered