They compared sperm from a fruit fly, sea urchin, rooster, fish and human.

他们比较了果蝇、海胆、公鸡、鱼类和人类的基因。

youdao

They compared sperm from a fruit fly, sea urchin, rooster, fish and human.

他们比较了果蝇、海胆、公鸡、鱼类和人类的基因。

youdao