genome ascarisV37_BE trackDb filesAscarisV37_BE/trackDb.txt description ascarisGenome_BE twoBitPath filesAscarisV37_BE/ascarisGenome.2bit organism Ascaris defaultPos chr1:1..1000000 scientificName Ascaris summ htmlPath filesAscarisV37_BE/description.html groups filesAscarisV37_BE/groups.txt