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来源:雅诚德英语网
The reports said blond hair was caused by a recessive gene, so both sides of the family have to have it to extend the shade into the next generation.
报道中说金发是由一种隐性基因造成,因此只有在家庭中的双方都携带这种基因的情况下这种发色才能遗传给下一代。
The reports said blond hair was caused by a recessive gene, so both sides of the family have to have it to extend the shade into the next generation.
报道中说金发是由一种隐性基因造成,因此只有在家庭中的双方都携带这种基因的情况下这种发色才能遗传给下一代。