下图是利用某植物(基因型为AaBb)产生的花粉进行单倍体育种的示

下图是利用某植物(基因型为AaBb)产生的花粉进行单倍体育种的示意图,据图判断正确的有(     )

       A.过程②通常使用的试剂是秋水仙素,作用时期为有丝分裂前期,处理对象为萌发的种子和幼苗

    B.通过过程①得到的植株A基因型为aaBB的可能性为1/4

    C.过程①属于植物的组织培养,在此过程中必须使用一定量的植物激素

    D.与杂交育种相比,该育种方法的优点是能克服远缘杂交不亲和障碍

答案

C

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