The function of mitosis is to make two cells where there was one before, ensuring at the same time that each daughter cell has an identical set of chromosomes to the parent cell. The purpose of meiosis is to divide the cell in such a way that the daughter cells receive only one of a...
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 ...
Heterosis boosts crop yield; however, harnessing additional progressive heterosis in polyploids is challenging for breeders. We bioengineered a ‘mitosis instead of meiosis’ (MiMe) system that generates unreduced, clonal gametes in three hybrid tomato genotypes and used it to establish polyploid genome...
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. 互联网 Gametesmay have similar structure and behavior ( anisogametes ). ...
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...
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?
What type of cell division produces gametes (egg for women, sperm for men)? A. Mitosis B. Meiosis How many types of gametes are produced when linkage is complete and the diploid number is 2? What process produces haploid gametes?
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...
8 (a)(i) Name the type of cell division that forms gametes (sperm cells and egg cells).meiosis*...(ii) State the difference between the number of chromosomes in gametes and the number of chromosomes in other body cells.(gametes are haploid n÷ contain 1set of chromosomes contain half ...
Meiosis results in how many gametes? One Two Three Four 6 . Mitosis produces cells which are genetically... different identical varied mutated 7 . Variation takes place as a result of meiosis and is a big advantage of which type of reproduction? Asexual Conjugation Sexual ...