由塔丰·奥兹利克带领的土耳其科学家提出，一个基因的突变可能会导致四足动物的出现。

Turkish scientists led by Tayfun Ozcelik suggested that a mutation in a single gene might result in quadrupedalism.

youdao

最终，四篇以基因为标签的论文被召回。

In the end, four gene signature papers were retracted.

youdao

他和他的同事们研究了四种缺少这种蛋白基因的老鼠。

Together with his colleagues, he studied four different strains of mice lacking the gene for the prion PrPC.

youdao