Difference in evolutionary patterns of strongly or weakly selected characters among ant populations.

ABSTRACT: Despite being a central issue in evolutionary biology, few studies have examined the stasis of characters in populations with no gene flow. A possible mechanism of such stasis is stabilizing selection with similar peaks in each population. This study examined the evolutionary patterns of morphological characters with and without strong selection in ant populations. We show that compared to a character that seems to be less important, characters that are more important were less variable within and among populations. Microsatellite analyses showed significant genetic differences between populations, implying limited gene flow between them. The observed levels of genetic differentiation cannot be attributed to recent population separations. Thus, the observed differences in morphological var

SUBMITTER: Imai S 

PROVIDER: S-EPMC5171879 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature