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The evolution of gene families is a fundamental aspect of understanding biological diversity and the mechanisms that drive evolutionary change. Gene families arise when genes undergo duplication events, producing multiple copies of a gene within a genome. These duplications provide raw material for evolution, allowing one copy to maintain the original function while others accumulate mutations that can lead to novel functions or regulatory patterns. This ____ ______ __________ ___ ___ _________ ___ ___ _______ _________ ___ ___.
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