both meiosis and mitosis.
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During alternation of generations, cells can reproduce by either mitosis or meiosis. Mitosis produces genetically identical cells for growth and maintenance, while meiosis creates genetically diverse gametes for sexual reproduction.
Haploid spores in plants with alternation of generations are produced by meiosis in the sporophyte generation. Meiosis is a type of cell division that results in haploid cells (spores) with half the genetic material of the parent cell.
In the life cycle of an organism that undergoes alternation of generations, there are two alternating phases: a sexual phase where the organism produces gametes (sex cells) and a asexual phase where the organism reproduces without gametes.
The multicellular haploid form of a protist that shows alternation of generations is referred to as the gametophyte stage. In this stage, the organism produces gametes (haploid reproductive cells) that fuse to form a zygote, which then gives rise to the sporophyte stage.
Plants that undergo alternation of generations include mosses, ferns, and flowering plants. These plants have a life cycle that alternates between a haploid gametophyte stage and a diploid sporophyte stage. This allows them to reproduce sexually and produce spores for dispersal.
Somatic cells reproduce through a process called mitosis. During mitosis, the cell duplicates its genetic material, divides, and forms two daughter cells that are genetically identical to the parent cell. This ensures the growth, development, and maintenance of tissues in multicellular organisms.