Professional/ Images/ Female and Male Gametogenesis/Female and Male Gametogenesis Gametogenesis is the process of development from primordial germ cells to mature gametes: oogenesis in females and spermatogenesis in males. In both females and males, it begins with diploid germ cells that then undergo ...
1.(Anatomy) either of the two female reproductive organs, which produce ova and secrete oestrogen hormones 2.(Zoology) the corresponding organ in vertebrate and invertebrate animals 3.(Botany)botanythe hollow basal region of a carpel containing one or more ovules. In some plants the carpels are...
To solve the question regarding which organism has male and female gametophytes that are independent and free-living, we can follow these steps: 1. Understand the Terms: - Male and female gametophytes are the structures that produce male and female gametes, respectively. In some plant groups,...
Gametes are specialized cells that, at fertilization, give rise to a totipotent zygote capable of generating an entire organism. Female and male germ cells undergo meiosis to produce mature gametes; however, sex-specific events of oogenesis and spermatogenesis contribute to ...
FEMALE GAMETES: 1)A female gamete is the female reproductive cell, which unites with male gamete to form the zygote. 2)Produced by oogenesis. 3)Produced in the ovaries. 4)Larger than male gametes. 5)Does not move by itself. 6)Uses protein and fat in the cytoplasm. ...
feminine - associated with women and not with men; "feminine intuition" androgynous - having both male and female characteristics male - being the sex (of plant or animal) that produces gametes (spermatozoa) that perform the fertilizing function in generation; "a male infant"; "a male holly ...
The male gametes are referred to as sperm, and they are very small cells that are comprised of a distinct head region where the genetic material resides and a tail region that allows it to swim to the female gamete in the female reproductive tract. The female gametes are referred to as ...
aFusion of the male and female gametes leading to zygotic activation is one of the most decisive events in the life cycle of sexually reproducing organisms 导致zygotic活化作用的男性和女性配子的融合是其中一个最果断的事件在性再生产的有机体的生命周期[translate]...
Both female and male gametophytes harbor companion cells and gametes. MET1, a DNA methyltransferase, is down-regulated in companion cells. However,how MET1... L Li,W Wu,Y Zhao,... - 《Journal of Integrative Plant Biology》 被引量: 14发表: 2017年 Somatic meiosis and development of the ...
In gymnosperms, male and female gametophyte I. do not have independent free - living existence. II. Remain within the sporangia. III. May be born on same or different tree. IV. Undergo mitosis to produce gametes. View Solution Consider the following statements with respect to gymnosperms and...