primary endosperm 中文意思是什麼
primary endosperm
解釋
初生胚乳-
The other male gamete fuses with the secondary nucleus, forming the primary endosperm nucleus.
另一個雄配子和次生核結合形成初生胚乳核。 -
One fuses with the egg cell to form a zygote while the other either degenerates or, in certain angiosperms, fuses with the polar nuclei to give the primary endosperm nucleus
一個與卵細胞結合形成受精卵，另一個要麼退化，要麼在某些被子植物中與極核結合形成初生胚乳核。 -
The endosperm is usually triploid and develops from the primary endosperm nucleus, the triploid nucleus resulting from the fusion of one of the male gametes from the pollen tube with the polar nuclei in the embryo sac
胚乳通常是三倍體，由初生胚乳核發育而來，三倍體核來源於花粉管中的雄配子與胚囊中兩個極核的融合。
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