Reproduction involving the union or fusion of a male and a female gamete. 由雄性和雌性结合体相结合或融合而进行的繁殖。
The studies on the developmental anatomy of the microsporangium and male gamete in Pyrus bretschneideri Rehd; 用石蜡切片等技术对京白梨和鸭梨雄配子体发育以及花粉败育进行了解剖学观察。
Antherozoid ( spermatozoid) The male gamete of algae, some gymnosperms, and the non-seed-bearing plants. 游动精子:藻类,某些裸子植物和没有种子形成的植物中的雄性配子。
The other male gamete fuses with the secondary nucleus, forming the primary endosperm nucleus. 另一个雄配子和次生核结合形成初生胚乳核。
In animals, a male gamete ①. 动物的雄配子。
The process of male gamete formation was not considered as an important factor responsible for the low seeding rate. 联系红花木莲花粉粒数目和胚珠数目进行探讨,认为雄配子体发育不是影响红花木莲结籽率低的主要因素。
Causes Analysis of the Low Transmission Rate of Plant Trisomic n+ 1 Male Gamete 植物三体n+1雄配子传递率降低的原因分析
Development and identification of a monoclonal antibody against brevetoxin Antherozoid ( spermatozoid) The male gamete of algae, some gymnosperms, and the non-seed-bearing plants. 短裸甲藻毒素单克隆抗体的制备及其鉴定游动精子:藻类,某些裸子植物和没有种子形成的植物中的雄性配子。
In the second year, the resting pollen tube revives its activity in the nucellus towards the March. The two unequal male gamete formed in the April. 第二年三月,休眠的花粉管在珠心内恢复活动,四月形成二个不等的雄配子。
The team genetically engineered male mice such that they lacked TEX11 function and found that this caused chromosomal asynapsis during the process of gamete formation. 研究小组通过遗传工程改造小鼠使其缺乏TEX11功能,结果发现TEX11功能的缺失导致在配子形成过程中染色体不联会。
The male gamete could not unite with the female. 雄配子不能与雌配子结合。
Studies on roguing of seed orchard of Pinus with quantitative characters of rate of male gamete and strobile 以配子供量、球果量数量性状对油松种子园去劣疏伐研究
Studies on the Breeding of Fine Triploid Mulberry by Artificial Diploidization of Male Gamete 桑树雄性配子人工二倍化培育优良三倍体的研究
A prospective study of the effects of female and male marijuana use on in vitro fertilization ( IVF) and gamete intrafallopian transfer ( GIFT) outcomes 女性和男性吸食大麻对体外受精及配子输卵管内移植结局影响的一项前瞻性研究
Observation on the development of male gamete of several monosomes in Chinese cabbage 大白菜部分单体雄配子发育的观察研究
Studies on n+ 1 Male Gamete Transmission Difference of Distinct Trisomics in Chinese Cabbage 大白菜不同三体n+1雄配子传递率差异的研究
The segregation ratio of T1 and T2 mutant did not comply with typical mendelian inheritance, which indicated the male gamete aborted partially. 对其后代分离比进行统计显示其不符合经典孟德尔遗传,雄配子部分败育。
Sperm-egg fusion and sperm-polar nuclei fusion are almost simultaneously, the fusion of female and male nucleoli mark the end of double fertilization; belong to Pre-mitotic type of gamete fusion. 精卵融合与精细胞和极核的融合几乎同时完成,以雌、雄性核仁完全融合作为双受精结束的标志,属于有丝分裂前配子融合类型。