A. pollination B. fertilization C. germination D. photosynthesis 相关知识点: 试题来源: 解析 B。解析:“fertilization”是受精,指的是植物中雄性和雌性配子的结合。“pollination”是授粉;“germination”是发芽;“photosynthesis”是光合作用。反馈 收藏 ...
Meiosis, a unique way to produce gametes: Meiosis, a special type of cell division, is essential for sexual reproduction. The cells produced by meiosis are called gametes (in higher animals) or spores (in flowering plants). Male gametes are also known as sperm; female gametes are known as ...
Gametes are produced by ___. (a) autosomes (b) gonads (c) external genitalia (d) internal genitalia (e) sex chromosomes. The process by which gametes are produced is a. mitosis b. parthenogenesis. c. symbiosis. d. meiosis. In what part of the female body are eggs fertilized? What pa...
The 23rd pair of chromosomes called ___, determines whether you will become a male or female. Which is NOT true about chromosomes? a. If we receive an X chromosome from our father, we develop into a female. b. The 23rd pair consists of the sex chromosomes. c. They are s...
In many organisms the male and femalegametesare different. 很多生物体中雄配子与雌配子是不同的. 辞典例句 Such similar - appearinggametesare called isogametes. 这种外形相似的配子称为同形配子. 辞典例句 It involves , in effect , immunizing mosquitoes againstgametes, the sexual stage of Plasmodium. ...
1.Gametangium (pl. gametangia) A cell or organ in which sexual cells (gametes) are produced. 1.囊(偶囊):由细胞()产生的细胞或器官。 2.Antherozoid (spermatozoid) The male gamete of algae, some gymnosperms, and the non-seed-bearing plants. 2.藻类,某些裸植物和没有种形成的植物中的雄...
Oviductal fluid is a crucial part of this milieu and consists of transudate from serum together with specific compounds synthesized by the luminal epithelium. The current dogma states that the oviductal environment and the composition of oviductal fluid are solely under the influence of the hormonal...
Gametes or gametic cells are sperm cells in men and egg cells, or ovum, in women. The sperm is the smallest cell in the human body. The ovum is the largest cell found in the human body. Answer and Explanation: Learn more about this topic: ...
Gametes are an organism's reproductive cells and have also been referred to as "sex cells." Male gametes are called sperm; in females, they are called "ova" or egg cells. Gametes are haploid cells, which means that each cell carries one copy of each chro
What are gametes formed by? Fertilisation: Fertilisation during sexual reproduction is the fusion of male and female gametes (haploid) to form a genetically different zygote (diploid) which constitutes a new life. Answer and Explanation: Learn more about this topic: ...