Johnson (1988) reported the following allele frequencies at 25 allozyme loci in

Question

Johnson (1988) reported the following allele frequencies at 25 allozyme loci in the land snail Theba pisana, which was introduced from Europe into western Australia in the 1890's.

1.) Using the table below differentiate the amounts of genetic variation (i.e., heterozygosity and allelic diversity) in these three samples.

Locus Allele France Perth Rottnest G6PDH 105 0.03 100 0.97 1 1 IDH-1 110 0.14 100 0.79 0.92 0.77 90 0.07 0.08 0.23 LDH 100 0.97 1 1 77 0.03 LAP-1 106 0.35 103 0.26 100 0.39 1 1 LGP-2 127 0.11 118 0.09 109 0.09 100 0.69 1 1 82 0.02 LTP-1 100 0.78 0.88 1 96 0.22 0.12 LTP-2 105 0.06 100 0.4 0.29 0.8 95 0.44 0.65 0.2 90 0.16 LTP-3 111 0.02 100 0.7 0.6 1 91 0.26 0.4 84 0.02 MDH-3 100 0.97 1 1 70 0.03 PGM-2 130 0.07 0.1 0.34 117 0.21 100 0.72 0.9 0.66 PGM-3 225 0.03 175 0.21 0.6 0.71 155 0.34 140 0.02 100 0.04 0.4 0.29 14 Loci 100 1 1 1

Explanation / Answer

The amount of genetic variation is highest in sample 1 (France) followed by Perth and then Rottnest.

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