Table 2. Open in new tab Distribution of...

Table 2.

Distribution of Malawi SNPs Sorted by the Number of Other Lineages "Present" for Polymorphism (See fig. 3 for Examples).

Number of Lineages (Outside Malawi) that Are Also Polymorphic	9	8	7	6	5	4	3	2	1	0^a
Number of Malawi SNPs	1	1	2	1	7	7	16	20	37	2
Cumulative number of Malawi SNPs	1	2	4	5	12	19	35	55	92	94
Cumulative percentage over 180 Malawi SNPs	0.6	1.1	2.2	2.8	6.7	10.6	19.4	30.6	51.1	52.2

Number of Lineages (Outside Malawi) that Are Also Polymorphic	9	8	7	6	5	4	3	2	1	0^a
Number of Malawi SNPs	1	1	2	1	7	7	16	20	37	2
Cumulative number of Malawi SNPs	1	2	4	5	12	19	35	55	92	94
Cumulative percentage over 180 Malawi SNPs	0.6	1.1	2.2	2.8	6.7	10.6	19.4	30.6	51.1	52.2

^aThese two loci are alternatively fixed in distinct evolutionary lineages of African cichlids, outside of Malawi (e.g., fig. 3D). Although we infer the origin of polymorphism to predate the Malawi flock in these cases, the loci are technically not polymorphic within any group.

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