All the Pomoideae were allopolyploids drived from a doubled hybrid between two remote ancestral types.

所有的梨亚科是由两个远缘祖先类型双杂交演化的异源多倍体。

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All the Pomoideae were allopolyploids drived from a doubled hybrid between two remote ancestral types.

所有的梨亚科是由两个远缘祖先类型双杂交演化的异源多倍体。

youdao