Table 2.

Structural variations from optical maps of two maize lines

	Ki11 map versus B73 RefGen_v4	W22 maps versus B73 RefGen_v4
Total size of genome map (Mb)	2,216	2,280
Map aligned to reference genome (Mb)	722	893
Reference genome covered by map (Mb)	694	861
Region in B73 with insertion and deletion (Mb)	223	221
Ratio of region with insertion and deletion (%)	32.15	25.67
Number of insertions	1,794	1,614
Average insertion size (bp)	21,510	21,470
Number of deletions	1,701	1,597
Average deletion size (bp)	18,340	20,120
Number of deletion regions potentially affecting genes	636	621