▁music ▁educ ators ▁Category : P iano ▁ped agog ues ▁Category : Univers ity ▁of ▁Natal ▁fac ulty ▁Category : Austral ian ▁male ▁classical ▁compos ers ▁Category : Austral ian ▁classical ▁compos ers ▁Category : M ale ▁pian ists ▁Category : 2 1 st - century ▁classical ▁pian ists ▁Category : 2 1 st - century ▁organ ists ▁Category : 2 0 th - century ▁Australian ▁male ▁mus icians ▁Category : 2 1 st - century ▁Australian ▁male ▁mus icians <0x0A> </s> ▁Gene ▁ampl ification ▁in ▁Par ame ci um ▁t etra ure lia ▁is ▁an ▁example ▁of ▁gene ▁ampl ification ▁that ▁has ▁occurred ▁in ▁the ▁un ic ell ular ▁organ ism ▁Par ame ci um ▁t etra ure lia . ▁ ▁Gene ▁dup lication ▁occurs ▁in ▁a ▁large ▁number ▁of ▁organ isms ▁as ▁part ▁of ▁evolution ▁or ▁as ▁the ▁cause ▁or ▁result ▁of ▁disease ▁( as ▁in ▁the ▁case ▁of ▁the ▁am yl ase ▁gen es ▁in ▁humans , ▁and ▁gen es ▁in ▁cancer ▁cells ▁respectively ). ▁Gene ▁dup lication ▁often ▁leads ▁to ▁ampl ification ▁of ▁their ▁gene ▁products ▁due ▁to ▁trans cription ▁and ▁translation ▁of ▁all ▁gene ▁duplicates . ▁Ev idence ▁of ▁gene ▁dup lication ▁has ▁been ▁observed ▁the ▁inheritance ▁patterns ▁of ▁Par ame ci um ▁t etra ure lia , ▁a ▁common ▁model ▁organ ism . ▁In ▁one ▁stra in ▁of ▁P . ▁t etra ure lia , ▁d 4 - 9 5 , ▁a ▁re cess ive ▁mut ant ▁alle le ▁of ▁a ▁gene ▁known ▁as ▁pa wn -