5.1. Types of Point mutation ◆ conversion(取代) transition(转换 transvection(颠换) dnt deletion or insertion 3x dNt 士 nx Amino acid 3x dNt frams hift ◆ conversion effect ---Samesense mut GAA(Glu)→GAG(Glu) -a-Missense mut GAA(Glu)→AAA(Lys) Nonsense mut GAA(Gu)→TAA(stop)= 3x dNt ±n x Amino acid = 3x dNt Framshift transition(转换) transvertion(颠换) 5.1. Types of Point mutation ◆ conversion (取代) GAA(Glu) → TAA(stop) GAA(Glu) → AAA(Lys) ---Samesense mut. GAA(Glu) → GAG(Glu) ---Missense mut. ---Nonsense mut. ◆ conversion effect ◆ dNt deletion or insertion