It has been known that the self-sterility of conifers results from embryo collapse after self-fertilization . 业已知道，针叶树自花不育是由于自花受精后胚凋萎。
An egg cell removed from mrs. carr was fertilized in a laboratory dish with sperm from her husband . 从卡尔夫人卵巢里抽出一个卵细胞和她丈夫的精子在实验器里受精。
An egg cell removed from mrs., carr was fertilized in a laboratory dish with sperm from her husband . 从卡尔夫人卵巢里抽出一个卵细胞和她丈夫的精子在实验器里受精。
Langner working with picea omorica, obtained results that may best be interpreted as a return to self-fertilization . 研究塞尔维亚云杉的兰纳得到了最好看成是恢复自花受精的结果。
Nearly all our orchidaceous plants absolutely require the visits of insects to remove their pollen-masses and thus to fertilise them . 我们的兰科植物，大都需要昆虫传递花粉，才能受精。
Egg-bore diseases are those which are transmitted from the infected dam to the newly hatched offspring by means of the fertile egg . 凡能从感染母鸡通过受精蛋传给所孵出后代的疾病，称为蛋媒疾病。
Following fertilization the emdosperm becomes and remains multinucleate for some time, becoming cellular near the time of pit-hardening . 受精以后，胚乳变成多核，并继续存在一个时期，近硬核期时变成细胞状。
Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem . 大多数关于种子园理论，是以假定能发生随机交配和自花受精而不会成为严重问题为依据的。
This change in morphology is associated with important physical and cytochemical changes and with an increase in their capacity for motility and their fertilizing ability . 这种形态学的变化是与重要的物理学和组织化学的变化以及活力和受精能力的增强有关。
The organism resulting from cross - fertilization 杂交体：源于异体受精的生物体。
