胚胎发育似乎主要受制于少数主导基因。
Embryonic development seems to be controlled principally by a very small number of master genes.
第三，主导这种特定耐药模式的一套基因很容易从一种细菌传到另一种细菌。
Third, this particular resistance pattern is governed by a set of genes that can move easily from one bacterium to another.
来自夏威夷大学的生物学家Jon Puritz主导的一项研究表明，污水处理系统和受污染的河流排放的水会使得这种海星发生基因变异。
A study led by biologist Jon Puritz of the University of Hawaii found discharges from water treatment systems and contaminated rivers led to genetically different sea star populations of the species.
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