endosperm nucleus 中文意思是什麼
endosperm nucleus
解釋
內胚乳核-
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。 -
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
花粉粒在柱頭上萌發，雙受精導致雙倍體的合子和三倍體的胚乳形成。 -
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。 -
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
雙受精：指花粉粒中的一個精子與胚珠中的卵細胞結合形成受精卵，另一個精核與極核結合形成三倍體的胚乳核。 -
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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