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Figure 2 | BMC Ecology

Figure 2

From: Conservation genetics of a rare Gerbil species: a comparison of the population genetic structures and demographic histories of the locally rare Pygmy Gerbil and the common Anderson's Gerbil

Figure 2

Pairwise differences and allelic frequency graphs for G. henleyi 's combined CR and CO2 (a, c), and for G. a. allenbyi 's CO2 (b, d). The ragged pattern in the pairwise differences graph in G. henleyi indicates that this species has maintained a stable population size over a long period of time. The wave-like pattern in the G. a. allenbyi graph, however, indicates that this species underwent a recent population expansion. The allelic frequency graphs indicate that older mutations (mutations that are shared by many individuals) predominate in G. henleyi and, consistent with a recent population expansion, relatively new mutations predominate in G. a. allenbyi.

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