Aquaculture Magazine


Contributions Genes Change...or, Concerns Over Genetic Sustainability. Genes change. This, of course, is the basis of evolution.  And it often allows populations and species to persist when their environments change either abruptly or over time.  Individual genes can change from one generation to the next through mutation.  Relative frequencies of genes within a population can change due to any number of factors, from natural selection to population isolation to domestication pressures in an artificial setting.  These genetic changes are often a cause for concern, especially when interactions between captive and wild populations of aquatic species are considered.

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