Kin'nen, genomu kaiseki ga hiroku okonawa re, hindo wa hikui mono no hasshō ni tsuyoi eikyōwoataeru idenshi no dōtei ni yori, kanja ni kyōtsū suru hasshō mekanizumu ga akiraka to naritsutsu arimasu. Sono kekka, idenshi ya epijenetikkuna henka ga, hasshō ni tsuyoku eikyō o oyoboshite iru kanōsei ga shiteki sa rete imasu. Ippan'ni jiheishō supekutoramu (asuperugā shōkōgun) no iden-ritsu wa 50 ~ 90-pāsento to takai koto ga shira rete imasu.
