Then at the 6 point will lead to a higher pregnancy rate. The reverse mutation frequency of the protoplast of the auxotrophic mutants was less than 10  ̄(-6).

  • 营养缺陷型菌株原生质体回复突变率小于10 ̄(-6)。

  • 互联网摘选 2025-01-19 23:22:19

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