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Sexual reproduction provides greater variation in the genetic makeup of a population due to the combination of genetic material from two parents. This mixing of genes results in offspring that have unique combinations of traits, which enhances genetic diversity. This diversity is crucial for the adaptation and survival of a species over time, as it allows populations to better respond to changes in the environment, resist diseases, and survive against competition.

In contrast, asexual reproduction produces genetically identical offspring, unless mutations occur. While this method can be faster and require less energy, the lack of genetic variation may limit the ability of a population to adapt to environmental changes or challenges. Therefore, the advantage of greater genetic diversity through sexual reproduction sets it apart from asexual reproduction.