回交杂种;
Two molecular methods were employed to successfully disclosed characters of the single hybrid zone: ( 1) this hybrid zone was composed of parental species, F1s, F2s and backcross derivatives;
我们通过分子测序和分子标记两种方法,揭示了该杂交区的性质:(1)该杂交区的构成是由亲本、F1代、F2代及回交后代组成;
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