Sexual and Asexual Reproduction Compared
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Asexual reproduction, such as prokaryotic binary fission, produces genetically identical offspring from one parent; sexual reproduction combines gametes from two parents, producing varied offspring.
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A bacterium dividing by binary fission produces a clone, while two parents producing offspring by meiosis and fertilization produce genetically distinct young.
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Sexual reproduction's advantage is variation, not efficiency — asexual reproduction propagates a population faster per generation.