单词 | backcross |
释义 | backcross1 of 2verb back·cross ˈbak-ˌkrȯs backcrossed; backcrossing; backcrosses transitive verb : to cross (a first-generation hybrid) with one of the parental types backcross 2 of 2noun : a mating that involves backcrossing also : an individual produced by backcrossing |
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