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. 2013 May 21;8(5):e63981. doi: 10.1371/journal.pone.0063981

Table 3. Example cases of allelic composition drawn from N max = 25, which included population sub-structuring; values calculated for θ, G’st, and Dest_Chao from these sample data.

Fst 0 1 1 1 1
G’st 0 1 1 1 1
D 0 0.5 0.6 0.8 1
Pop 1 A/A A/A A/A A/A A/A
A/A A/A A/A A/A A/A
A/A A/A A/A A/A A/A
Pop 2 A/A A/A A/A A/A B/B
A/A A/A A/A A/A B/B
A/A A/A A/A A/A B/B
Pop 3 A/A A/A B/B B/B C/C
A/A A/A B/B B/B C/C
A/A A/A B/B B/B C/C
Pop 4 A/A B/B B/B C/C D/D
A/A B/B B/B C/C D/D
A/A B/B B/B C/C D/D

The fixation of common alleles removes all heterozygosity and results in inflated estimates of genetic differentiation when using F st and G’st as opposed to D.