Table 1. Gap numbers and size distributions for representative high quality draft assemblies of highly studied species.

Organism	Common Name	% Bases in Gaps	Mean Gap Size	Median Gap Size
Apis mellifera	Honey Bee	8.40%	1892	54
Equus caballus	Horse	1.80%	1010	282
Gallus gallus	Chicken	1.30%	1267	302
Glycine max	Soy Bean	1.80%	1208	176
Macaca mulatta	Rhesus macaque	7.20%	1513	374
Monodelphis domestica	Opossum	2.50%	1699	386
Ornithorhynchus anatinus	Platypus	7.70%	585	249
Pan troglodytes	Chimpanzee	6.70%	1799	539
Pongo abelii	Orangutan	6.40%	852	428
Rattus norvegicus	Brown Rat	8.90%	1590	57
Sus scrofa	Wild hog	10.30%	1218	100
Strongylocentrotus purpuratus	Purple Sea Urchin	12.80%	844	50