double fertilization meaning in Chinese
双受精作用
双重受精
Examples
- The transformation system would be a valuable tool for flower development and double fertilization studies
这个优良的转化系统为应用基因工程手段研究花发育和双受精机制奠定基础。 - Gymnosperms lack endosperm and the precise double fertilization characteristic of the angiosperms , although some show a primitive form of it
尽管裸子植物还保留有某些被子植物的基本形态，但它没有被子植物所特有的胚乳以及双受精现象。 - The pollen grain germinates on a special extension of the carpel , the stigma , and double fertilization results in a diploid zygote and triploid ( usually ) endosperm nucleus
花粉粒在柱头上萌发，双受精导致双倍体的合子和三倍体的胚乳形成。 - We transferred the hetero - logous gene into toreniafournieri successfully . this method laid a foundation for study of double fertilization of angiosperm by transgenic tecnology
我们将外源基因成功地导入蓝猪耳，为利用转基因的手段研究被子植物受精和胚囊发育打下基础。 - Double fertilization the fusion of one pollen nucleus with the egg to form the zygote and of the other pollen nucleus with a polar nucleus to form the triploid endosperm nucleus
双受精：指花粉粒中的一个精子与胚珠中的卵细胞结合形成受精卵，另一个精核与极核结合形成三倍体的胚乳核。