They can be produced through two types of cell division: mitosis and meiosis. 2. Analyzing Pteridophytes: - Pteridophytes (like ferns) have a dominant sporophyte generation. In these plants, gametes are produced by meiosis in the spore mother cells, which means they do not produce gametes ...
Gametes: Gametes are haploid sex cells. The male gamete, sperm is produced from the testes and the female game ovum is produced from the ovary. The fusion of gametes results in the formation of a zygote. Answer and Explanation:1 Gametes are produced by meiosis. Meiosis, also called reductio...
Gonads are aggregations of developinggametes. 生殖聚集形成配子. 互联网 Gametogenesis The formation of sexcells orgametes. 配子形成:即性细胞或配子的形成. 互联网 In these groups,gametesare produced by mitosis. 在这些种类中, 配子是由有丝分裂形成的. ...
What are the general purposes of mitosis and meiosis? How are the cells produced different in terms of chromosome number and general function? Who determines the gender of an offspring: the mother or the father? What is the main reason?
Gametes are produced by a process known as meiosis or meiotic cell division. Meiosis occurs when a parent cell divides to produce 4 daughter cells with half the original genetic content in order to produce gametes. This is different than mitosis (or mitotic cell division), where the parent cel...
Key message Meiosis and unreduced gametes. Sexual flowering plants produce meiotically derived cells that give rise to the male and female haploid gametophytic phase. In the ovule, usually a single precursor (the megaspore mother cell) undergoes meiosis to form four haploid megaspores; however, nu...
Specifically, during mitosis, each chromosome lines up at the cell's equatorial plane, where the two sister chromatids of each chromosome are pulled apart before being distributed to the daughter nuclei. Meiosis, a unique way to produce gametes: Meiosis, a special type of cell division, is ...
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Chapter 22 Using Sea Urchin Gametes for the Study of Mitosis This chapter describes the methods found useful for the study of cell division in early cleavage stage sea urchin zygotes. Successful and reliable fertilization of sea urchin eggs is simple if a few precautions are kept in mind. ...
G1, S, G2; cell grows rapidly; DNA is copied; preparations are made for nucleus to divide mitosis the process during cell division in which the nucleus of a cell is divided into two nuclei cytokinesis cytoplasm divides cancer cells divide uncontrollably spindle structures made up of centriole...