Recombination may refer to:

• Genetic recombination, the process by which genetic material is broken and joined to other genetic material
• Carrier generation and recombination, processes by which mobile electrons and electron holes are created and eliminated
• Crossover (genetic algorithm), also called recombination
• Recombination, a phase in the timeline of the Big Bang
• Recombination (chemistry), the opposite of Dissociation (chemistry)

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