大家知道,动物是靠雌雄交配来繁衍后代而延续生命的。但是在鱼类世界却有个地道的“女儿国”,它的名字叫银鲫。银鲫的性别只有雌性,而没有雄性。那么它是怎样进行传宗接代的呢?原来,当银鲫性成熟后,其它异性鱼类的精子会对其卵细胞产生刺激,催化卵细 As we all know, animals depend on male and female mating to prolong their lives. But in the fish world there is an authentic “daughter country”, its name is silver carp. Silver crucian carp was female but not male. So how is it transmitted to the lineage? It turned out that when the silver carp mature, other heterosexual fish sperm will stimulate their eggs, the catalytic egg