雌配子体中的极核和卵核遗传上是同一的。
The polar and egg nuclei of the female gametophyte are genetically identical.
雌配子体中的极核和卵核遗传上是同一的。
The polar and egg nuclei of the female gametophyte are genetical ly identical.
裸子植物的雌配子体简化，但较被子植物体的体积大，不能自养。
The female gametophyte is reduced but larger than in angiosperms; it is not autotroph ic.
裸子植物的雌配子体简化，但较被子植物体的体积大，不能自养。
The female gametophyte is reduced but larger than in angiosperms; it is not autotrophic.
雌配子体的败育和大量落蕾是宜昌泡桐不结实或少结实的直接原因。
The megagameto-phyte abortion and flowering bud failing were the direct causes for the trees being fruit-less.
大孢子和雌配子体发生：孢原为一个细胞，它直接起大孢子母细胞功能。
Megasporogenesis and Female Gametogenesis: Archesporium is of one cell, it directly functions as macrospore mother cell.
雌配子体的形成可以划分为两个连续的过程，即孢子发生和雌配子体发生。
Female gametophyte formation can be divided into two consecutive processes, namely, the occurrence and female gametophyte spores occurred.
探究雌配子体发育的基因调控表达机制对于揭示植物发育分子机制有重要意义。
Explore the female gametophyte development in the expression of gene regulation mechanism development is important for revealing the molecular mechanism of plant.
该不育系具有稳定的遗传特性，是研究木本植物雌配子体发育调控机制的极好材料。
It is an excellent material for mechanism research on the female gametophyte development of woody plants with its steady genetic characteristic of female sterility.
该文从雌配子体发育、胚珠发育及珠被发育等几个方面综述了近年来植物雌配子体发育的分子调控机制研究进展。
Studies on molecular regulation of female gametophyte development were reviewed in terms of female gametophyte and ovule and integument development.
该文从雌配子体发育、胚珠发育及珠被发育等几个方面综述了近年来植物雌配子体发育的分子调控机制研究进展。
Studies on molecular regulation of female gametophyte development were reviewed in terms of female gametophyte and ovule and integument development.
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