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Table 5 Numbers of variants obtained from four polar bears (PB7, PB12, PB68, and PB105), three brown bears (OFS01, RF01, and SJS01), and four ABC Islands bears (ABC01, ABC05, Adm2, and Bar) at different levels of coverage along the longest polar bear genomic scaffold

From: AD-LIBS: inferring ancestry across hybrid genomes using low-coverage sequence data

Coverage level

# Raw variants

# Filtered

# Phased

10

490,705

410,174

410,174

5

443,470

288,761

288,821

2

353,433

44,706

44,706

1

268,595

1,494

1,494

0.5

172,214

14

14

  1. At low coverage, marker density is too low for tools like HAPMIX to be useful or accurate