二倍体生物：代表生活史中植物体阶段的二倍体生物，其单倍体仅局限于配子体。
Diplont a diploid organism that represents the vegetative stage in life cycles in which haploidy is restricted to the gametes.
通过花药离体培养技术开展植物单倍体育种工作是现代生物技术育种最有效的手段之一。
The technology of anthers culture in vitro is one of the best effective methods of modern biology breeding for plant haploid breeding.
存在于开花植物胚囊内，是位于珠孔端的卵细胞两侧的两个单倍体细胞。
Synergid cells Two haploid cells located near the egg cell at the micropylar end of the embryo sac in flowering plants.
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