个别品种具有一定的孤雌生殖的能力。
Individual species has a certain ability to parthenogenesis.
美棘蓟马孤雌生殖产生的子代个体均为雄性；
The offspring through parthenogenesis of E. americanus are all male.
这就可以解释为什么这么多物种都会有孤雌生殖现象。
That could explain why parthenogenesis reproduction has emerged in so many species.
这就可以解释为什么这么多物种都会有孤雌生殖现象。
That could explain why parthenogenesis reproduction has emerged in so many species.
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