Table 1 Basic statistics of the reference genomes

# of genes

58,051

48,526

17,478

46,739

32,833

44,303

38,993

# of transcripts

198,002

117,762

34,472

58,941

54,013

77,341

45,973

Transcript/gene

3.41

2.43

1.97

1.26

1.65

1.75

1.18

# of exons

1,182,163

721,666

186,737

251,447

313,952

460,812

200,789

Genes > 20 exons

4.2%

4.7%

0.55%

0.55%

1.6%

1.4%

0.95%

Exon/transcript

5.97

6.13

5.42

4.27

5.81

5.96

4.37

Unique exon/gene

9.84

8.17

4.76

3.37

5.88

5.84

4.58

Transcripts/gene versus exons/gene

Pearson’s Cor = 0.93, P = 0.0024