[名词解释] Mutation breeding(诱变育种)
[问答题] 组合育种(combination breeding)
[问答题] 回交育种(Backcross breeding method)
[问答题] 超亲育种(transgression breeding)
[问答题] 杂交育种(breeding by hybridization)
[名词解释] Cross breeding(杂交育种)
[名词解释] Genetically engineered breeding(基因工程育种)
[单选题]诱变育种是以()为基础的育种A . 自然突变B . 基因突变C . 诱发突变D . 基因重组