双受精过程属有丝分裂前配子融合类型.Double fertilization is the type of the Premitotic syngamy.根据观察,在北京地区,软毛猕猴桃的双受精大多发生在授粉后30—72小时内.In Beijing area the double fertilization of Actinidia chinensis occurred 30 - 72 ho - urs after pollinatio...
...asexual parasites.无性器官的寄生虫It is another unfortunate myth of our culture that older people are asexual.我们的文化里还有一种错误观念，就是认为上了年纪的人就不再有性欲了。asexual reproduction无性生殖...asexual reproduction.无性繁殖The asexual polyp in the life ...