正反交 meaning in Chinese

reciprocal crosses
reciprocal crossings

Reciprocals react similarly .
正反交的反应是相似的。
Cytogenetic studies were made on several hybrid scallops using the karyotype method . hybridizations between chlamys farreri and patinopecten yessoensis , c . farreri and chlamys nobilis were studied
本论文在染色体水平对虾夷扇贝栉孔扇贝杂交以及栉孔扇贝华贵栉孔扇贝正反交等几个扇贝杂交组合进行了细胞遗传学研究。
Chlamys farreri , which belongs to mollusca , bivalvia , pterioidae pectinidae , are widely distributed on the china from donghai sea to bohai sea , korea and japan . this species has been the main aquacultrue shellfish for many years in northchina
利用同工酶技术，对中国栉孔扇贝和日本栉孔扇贝的遗传差异进行了比较分析，并对它们的正反交后代的酶表型及遗传型进行了分析，探讨了亚种间杂交的机制。