parthenogenesis

noun

1. 孤雌生殖；单性生殖
   the process of producing new plants or animals from an ovum that has not been fertilized

1. Effect of HMG, EGF and TGF-α on the Porcine Oocytes Maturation in vitro and Parthenogenesis of Development
   HMG、EGF和TGF-α对猪卵母细胞体外成熟及孤雌发育的影响
2. Another team generated similar cells using human egg cells only, a process called parthenogenesis.
   另一个小组仅用人类的卵细胞也产生出相似的干细胞，这一过程被称之为“单性生殖”。
3. Study on Walnut Genetic Purification Utilizing Parthenogenesis the introduction of semen into the genital tract of a female.
   利用孤雌生殖对核桃进行遗传纯化初探精子进入生殖道的过程。
4. The player tries to get into the penalty box by passing a teammate who relays the ball back to him. Two diploid gametes may fuse to give a tetraploid zygote, or gamete may develop directly by parthenogenesis.
   球员将尝试利用与同伴的二过一配合突入禁区。两个二倍体配子融合可能产生一个四倍体合子，这样的配子也可以通过孤雌生殖直接发育而来。
5. The study on pseudogamy property of wheat parthenogenesis is conducted by means of delaying pollination and observing embryo sac with microscope.
   采用延迟授粉和胚胎学显微观察的方法，研究了黑麦和六倍体小黑麦花粉诱导小麦孤雌生殖的假受精特性。
6. Male parthenogenesis in which the embryo contains only paternal chromosomes due to the failure of the egg nucleus to participate in fertilization.
   由于卵子在受精过程中的失败而使胚胎只包含父染色体的一种单性生殖。
7. Potato haploid induction has significant meaning in potato breeding, It includes parthenogenesis and anther culture methods.
   马铃薯单倍体诱导在马铃薯育种实践中具有重要意义，它包括孤雌生殖和花药培养等方法。
8. WE ARE EAGER FOR THE DAY when we will be able to offer therapeutic cloning or cell therapy arising from parthenogenesis to sick patients.
   我们渴望有这麽一天，可以利用复制疗法或孤雌生殖的细胞疗法来治疗病人。
9. In our parthenogenesis experiments, we exposed 22 eggs to chemicals that changed the concentration of charged atoms called ions inside the cells.
   在我们的孤雌生殖实验当中，我们把22颗卵子养在可改变细胞内离子浓度的化学药剂里。
10. Research on Differentially Expressed Genes from the Early Embryos of Parthenogenesis in Silkworm, Bombyx Mori
    家蚕单性生殖早期胚胎差异表达基因的研究
11. Daley of the Children's Hospital of Boston, uses a procedure known as parthenogenesis in which a series of chemical treatments are used to encourage an unfertilized egg to begin embryonic development.
    Daley博士领导了这项新的研究利用一系列的化学方法来处理单性细胞，从而促使未受精卵进行胚胎发育。
12. The parthenogenesis efficiencies of bovine, ovine in vitro maturation ( IVM) oocytes were also studied between ionomycin, electric activation and replaced medium.
    这也说明了更换培养基不利于其体外囊胚发育率。
13. Two diploid gametes may fuse to give a tetraploid zygote, or gamete may develop directly by parthenogenesis.
    两个二倍体配子融合可能产生一个四倍体合子，这样的配子也可以通过孤雌生殖直接发育而来。
14. Genetic analysis of double haploid population from maize bio-induced parthenogenesis
    玉米生物诱导孤雌生殖后代DH群体变异性分析
15. The Application Study on Spring Wheat Breeding of Parthenogenesis Induced by Chemicals
    化学药剂诱导孤雌生殖在春小麦育种中的应用研究
16. It is a new technology of laser application to inducing poplar parthenogenesis.
    激光诱导杨树单性生殖是一项新技术。
17. The SSR results verified the posterities induced were from parthenogenesis and doubled haploid.
    SSR结果证实了化学诱导得到的后代，确系孤雌生殖产生，且是加倍单倍体。
18. It proves that the inducing of laser on poplar parthenogenesis are efficient.
    说明激光诱导杨树单性生殖是有效的。
19. Effect of Different Maturation Time on the in Vitro Fertilization and Parthenogenesis of Porcine Oocytes
    不同成熟时间的猪卵母细胞对体外受精的影响及孤雌发育
20. In this paper, the progresses of research on the natural and artificial parthenogenesis, ameiotic and meiotic parthenogenesis of the silkworm ( Bombyx mori) were described in brief.
    本文对桑蚕的自然单性生殖、人工单性生殖、减数分裂和非减数分裂的单性生殖发育等研究进展进行了简要地阐述；
21. Parthenogenesis Induction in Plants and Its Application in Breeding
    植物孤雌生殖的诱导及其在育种中的应用
22. The parthenogenesis population of Haemaphysalis longicornis Gansu strain in northern China was observed under laboratory conditions.
    在实验室条件下，对我国北方长角血蜱甘肃株孤雌生殖种群的生活史进行了首次观察。
23. In addition, breeding application ways of female parthenogenesis in dwarf and abortive wheat were analyzed and discussed from genetic theory and breeding practice.
    本文从遗传理论和育种实践的角度，对矮败小麦在孤雌生殖育种上的应用途径进行了分析和讨论。
24. In order to study parthenogenesis in depth, ES cells from parthenogenetic embryos of mice were isolated and cultured.
    对小鼠卵母细胞进行孤雌激活用于单性生殖研究。
25. The apomixis embryos of walnut developed from ootid. So it belonged to the parthenogenesis type.
    核桃无融合生殖胚由卵细胞发育而来，属孤雌生殖类型。
26. The main research achievements on artificial activation and parthenogenesis in mammalian oocytes are reviewed, including oocyte activation and parthenogenetic development, role of paternal and maternal genomes in embryonic development, and birth of parthenogenetic mice.
    综述了哺乳动物卵人工激活与孤雌生殖研究的主要进展，包括卵母细胞的激活与孤雌发育，父源和母源基因组在胚胎发育中的作用，以及孤雌生殖小鼠的诞生。
27. Factors Influencing the Development of Parthenogenesis Embryo from Bovine Oocyte
    影响牛卵母细胞孤雌激活胚胎发育的因素
28. Nutrient cells were obtained from these pigment mutants by enzymatic method and conchocelis were got by parthenogenesis.
    通过酶法分离突变体的营养细胞，单性生殖获得丝状体；
29. STUDIES ON POPLAR PARTHENOGENESIS INDUCED BY LASER I. The rate of callus influenced by different wave-lengths, dosages and varieties
    激光诱导杨树单性生殖的研究Ⅰ激光波长、剂量和品种对出愈率的影响
30. In mammals, genome imprinting causes functional nonequivalence and complement between the parental genomes, which prevents parthenogenesis.
    在哺乳动物中，基因组印迹造成父母本基因组的不等性和互补性而限制单性生殖。

noun

1. process in which an unfertilized egg develops into a new individual

   Synonym:    parthenogeny

2. human conception without fertilization by a man

   Synonym:    parthenogenyvirgin birth