基因的调控网络-小突变形成大变化 Gene regulation network amplify the mutation effect 相互影响的基因网络：基因调节区的突变可以造成胚胎发育的巨大区别 ORGANISM A RELATED ORGANISM B embryonic stage 1 embryonic stage 1 gene 1 gene 2 gene3 gene 1 gene 2 gene 3 ■ regulatory DNA sequences transcription TIME TIME regulator transcription embryonic stage 2 regulator embryonic stage 2 gene 1 gene 2 gene 3 gene 1 gene 2 gene 3 △△ (A) △△△ 食蚁昏 (B)基因的调控网络-小突变形成大变化 Gene regulation network amplify the mutation effect 食蚁兽 家犬 相互影响的基因网络：基因调节区的突变可以造成胚胎发育的巨大区别