Prokaryotes divide by binary fission, a form of asexual reproduction in which:?
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Answer C; all the others have to do with sexual reproduction.
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That happened way back when eukaryotes split from prokaryotes. Eukaryotes have a nucleus.  Then eukaryotes split into animals, plants, fungus, etc... but they were still very tiny organisms at first.\n\nOpisthokonts separated from Archaeplastida\nThis was around 1.6-2.1 billion years ago.  "Modern" groups came about 80 million years ago.\n\nhttp://en.wikipedia.org/wiki/Eukaryotes#Origin_and_evolution
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During prophase. But it actually doesn't happen in all organisms. Yeast for example has a nuclear duplication and division without ever breaking down the nuclear membrane.
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I scanned a diagram I have into the computer, I hope this helps:\n\nhttp://i74.photobucket.com/albums/i267/Miles_Tails_Prower__/Aminals007.jpg\n\nBy the way Crimedog, you are thinking of Mitosis.  Meiosis is for sexual reproduction while mitosis is the asexual reproduction of eukaryotic cells.  (yoo-ku-rO-tic - cells with membrane-bound organells)
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eukaryotic, among others.
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Theory? I mean, I can think of the endosymbiotic theory, but that's eukaryotes. Perhaps you mean the organelle that carries out photosynthesis in prokaryotes?
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Asexual mitospores (spores formed by mitosis) form within the sporangia (thousands of spores) or sporangioles (single spore or a few). They are released when mature by the disintegration of sporangium wall. The sporangioles containing one spore can have their wall fused with spore wall. In that case, the whole sporangioles separate from the fungus, and are carried by wind like conidia. \n\nGermination of these spores forms the haploid hyphae of a new mycelium. Asexual reproduction occurs continuously. \n\nSexual reproduction occurs only when opposite mating types (designated + and -) come in contact. Then special cells become gametes that fuse forming a zygote. The zygote develops a resistant cell wall, forming a zygospore, the characteristic that gives its name to this group of fungi. Subsequently, the zygospore germinates and forms a sporangiophore whose sporangium produces both + and - haploid spores.
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bacteria are prokaryotic(no nucleus)
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Before a cell can divide, it must duplicate all its DNA. In eukaryotes, this occurs during S phase of the cell cycle. \n\nA portion of the double helix is unwound by a helicase. \nA molecule of a DNA polymerase binds to one strand of the DNA and begins moving along it in the 3' to 5' direction, using it as a template for assembling a leading strand of nucleotides and reforming a double helix. In eukaryotes, this molecule is called DNA polymerase delta (δ). \nBecause DNA synthesis can only occur 5' to 3', a molecule of a second type of DNA polymerase (epsilon, ε, in eukaryotes) binds to the other template strand as the double helix opens. This molecule must synthesize discontinuous segments of polynucleotides (called Okazaki fragments). Another enzyme, DNA ligase I then stitches these together into the lagging strand. \n\nWhen the replication process is complete, two DNA molecules — identical to each other and identical to the original — have been produced. Each strand of the original molecule has \nremained intact as it served as the template for the synthesis of \na complementary strand.\nThis mode of replication is described as semi-conservative: one-half of each new molecule of DNA is old; one-half new
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In multicellular organisms, growth takes place by mitotic divisions that take place in 4 stages. They are: Prophase, Anaphase, Metaphse and Telophase. This is also observed in humans.\nIn multicellular organisms like yeast, multiple fission or budding takes place.
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Asexual reproduction is the reproduction of a single individual without the use of sex.  Sex is defined as the halving of the chromosome number of an individual and its subsequent reconstitution at the fusion of the gametes (egg and sperm).  \nBasically asexual reproduction creates the clone of an individual as one individual copies its own genome and then splits into two individuals.\n\nBacteria and Archaeans (so all prokaryotes) reproduce only by asexual reproduction.  Also sponges have the ability to produce a full individual if one individual is broken into two pieces, which is called regeneration.  Also sea stars, sea anenomes, flatworms (etc.) are able to reproduce asexually by regeneration.
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Reproduction\n\nUnder favorable conditions amebas divide by binary fission (splitting) to produce two daughter amebas, the nucleus dividing by mitosis. When an ameba is divided artificially, the portion containing the nucleus forms a new cell membrane and continues as a whole animal, while the other portion lives only as long as its present food supply lasts, ultimately dying, since it cannot ingest food or reproduce. If conditions are unfavorable, e.g., in the absence of food and water, amebas secrete a firm protective covering and encyst until conditions are again favorable to active division.
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two cell divisions.... one for meiosis 1 and one for meiosis 2
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Disregard the first two posters at the top.  They don't know that mDNA is "mitochondrial" DNA.\n\nThe third poster is correct in that replicates it's DNA in a way similar to that of bacterial.  It does divide by binary fission, but it has no organelles to reproduce.  An important point is that mitochondria in a single cell tend to divide at the same time but this is completely independent of the mammalian cell's division.  Thus the nucleus and mitochondria divide at different rates and different times.
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Meiosis is the process that transforms one diploid cell into four haploid cells in eukaryotes in order to redistribute the diploid's cell's genome.\n\nMeiosis forms the basis of sexual reproduction and can only occur in eukaryotes. In meiosis, the diploid cell's genome, which is composed of ordered structures of coiled DNA called chromosomes, is replicated once and separated twice, producing four haploid cells each containing half of the original cell's chromosomes. These resultant haploid cells will fertilize with other haploid cells of the opposite gender to form a diploid cell again. The cyclical process of separation by meiosis and genetic recombination through fertilization is called the life cycle. The result is that the offspring produced during germination after meiosis will have a slightly different blueprint which has instructions for the cells to work, contained in the DNA. This allows sexual reproduction to occur.\n\nMeiosis uses many biochemical processes that are similar to those used in mitosis in order to distribute chromosomes among the resulting cells; however the outcome is very different.
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sexual..eggs and sperm\nasexual..fission and cell splitting
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oh, that last answer was funny.  \n\nAnyhow, Prokaryotes are survivors.  They can adjust to changes more quickly, they don't need a mate to replicate, and they're smaller - smaller is better in the world of evolution.  \n\nNot a great answer, but there it is.