divergent evolution


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di·ver·gent ev·o·lu·tion

the process by which a species or gene product gives rise to two or more different products.

divergent evolution

EVOLUTION from a common ancestral form.
References in periodicals archive ?
In conclusion, taking into account the evolutions of IPI12 values recorded in the analyzed countries, in this case also, we have a divergent evolution trend.
The simple explanation is that a match between a belly button strain and a species known from the deep ocean, for instance, may actually represent two microbes separated by several million years of divergent evolution.