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- sexual reproduction advantage 有性生殖优势
- Bacteria are capable of sexual reproduction. 细菌可以进行有性繁殖。
- Sexual reproduction can bring about genetic commingling. 有性繁殖可取得杂交遗传。
- The union of the sperm and egg in sexual reproduction. 两性融合,杂交繁育在有性繁殖中精子和卵子的结合。
- Study on Sexual Reproduction of Trchycapus nana Becc. 龙棕有性繁殖的初步研究。
- One major event in time is the development of sexual reproduction. 一次主要事件及时是性再生产的发展。
- Relating to growth rather than to sexual reproduction; vegetative. 植物性的关于生长而不是繁殖的;植物性的
- The elevated gastrodia sexual reproduction is growing unearthed. 天麻有性繁殖正在出土生长。
- In diploid eukaryotes, this is a consequence of the system of sexual reproduction, where mutant alleles get partially shielded, for example, by the selective advantage of heterozygotes. 在二倍体真核生物中,这是有性繁殖的结果;比如,有性繁殖时突变的等位基因被杂合子的选择性优势部分地屏蔽。
- In addition to sexual reproduction, some ferns produce sporophytes by apogamy. 除了有性生殖外,部份蕨类植物藉无配生殖的方式产生后代。
- The stage of adolescence in which an individual becomes physiologically capable of sexual reproduction. 青春期青少年阶段,在生理上个人有能力进行有性繁殖
- Fertilization (syngamy) The fusion of a male gamete with a female gamete to form a zygote, the essential process of sexual reproduction. 受精(有性生殖):一个雌配子和一个雄配子融合形成一个合子,是有性生殖的基础。
- The ascospores, on the other hand, are produced by following sexual reproduction. 另一方面,子囊孢子是在有性生殖之后产生的。
- Of, relating to, or functioning in processes such as growth or nutrition rather than sexual reproduction. 有关生长和营养机能的属于、关于或进行诸如生长或营养过程的而不是繁殖的
- The class Deuteromycetes, or Fungi Imperfecti, includes a variety of fungi that lack modes of sexual reproduction. 纲中大多数菌为担子菌,第二大类高级真菌,能形成可见的果实体。
- Assortative mating Sexual reproduction in which the pairing of male and female is not random. 选型交配:有性生殖中配对的雌雄双方不足随机交配的现象。
- Sexual reproduction of Brachionus urceus was not promoted by improving the density of diet. 提高食物浓度,对壶状臂尾轮虫的有性生殖没有明显的促进作用。
- In the fungus Mucor purpose of sexual reproduction in response to similar recognition. 在真菌的毛霉目的有性生殖中存在类似的识别反应。
- Since neither mutation is a variation that offers reproductive advantage, since few of these freaks survive, natural selection cannot be selecting one over the other. 由于无论是双头还是三头,都是没有繁殖优势的变异,由于这些怪物很少能存活下来,所以说自然选择也不可能二者选一。
- Abstract Pollen is the male_gamete of seed plant, which plays an important role in sexual reproduction. 摘要 花粉是种子植物的雄配子体,在有性繁殖中发挥着重要作用。
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