Table 3.

Classification of genes with simple alternative splicing events or differential alternative splicing

Alternative splicing event	No. of events	No. of genes	No. of genes that showed differential splicing*
Exon skipping	1147	684	276
Alternative 5'	551	344	142
Alternative 3'	353	265	121
Intron retention	404	264	106
Mutually exclusive	62	53	21
Alternative last exon	261	181	66

*Differential alternative splicing between in vivo- and in vitro-derived embryos