Science
Whole genome duplication shaped the evolution of the salmon family
Evolution is driven by changes in DNA that sometimes promote adaptation, altering traits like disease resistance or reproduction.
AI Summary
Whole-genome duplication (WGD) creates an organism with two complete copies of its genetic code, effectively “copy‑pasting” the entire genome. This massive genetic event can drive evolutionary change by providing redundant material for adaptation, influencing traits such as disease resistance and reproduction. Researchers highlight that such duplications have been pivotal in shaping the evolutionary history of the salmon family, offering a mechanism beyond the minute, single‑letter DNA mutations that typically drive change.
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