STUDI PERISTIWA EPISTASIS RESESIF PADA PERSILANGAN Drosophila melanogaster STRAIN SEPIA (se) >< ROUGH (ro) DAN STRAIN VESTIGIAL (vg) >< DUMPHI (dp)
Abdu Mas'ud, Prelly M.J. Tuapattinaya
Sari
Penelitian eksperimen untuk mengetahui peristiwa yang terjadi pada persilangan Drosophila melanogaster strain Sepia (se) >< Rough (ro) dan strain Vestigial (vg) ><Â Dumphi (dp) berdasarkan kemunculan dan komposisi fenotip pada F2. Hasil penelitian ini menunjukan bahwa: 1) pada persilangan Drosophila melanogaster strain se >< ro dan dp >< vg resiprokal menghasilkan rasio fenotip F1 Normal semua (100%) ; 2) pada persilangan Drosophila melanogaster strain se >< ro dan dp >< vg resiprokal menghasilkan rasio fenotip F2 mendekati rasio fenotip 9: 3: 4, yang tidak sesuai dengan Kebakaan Mendel; 3) pada persilangan Drosophila melanogaster strain se >< ro dan dp >< vg resiprokal menunjukkan adanya peristiwa pautan kromosom dan terjadi peristiwa yang dinamakan epistasis resesif dengan rasio F2=9:3:4
Kata Kunci
epistasis resesif; Drosophila melanogaster strain se; vg; ro; dp
Referensi
Corebima, A.D. 1997. Genetika Mendel. Airlangga University Press. Surabaya.
Gadner, E.J. 1991. Principles Of Genetic. John Willey and Sons. New York.
Pai,A. 1985. Fondation Of Genetic. McGrawHill. New York.
Kimbal, J.1992. Biology. Erlangga. Jakarta.
Sayekti, 1995. Perbedaan frekuensi gagal berpisah kromosom dari hasil persilangan D. melanogaster strain W,Y,Vm,K. Jurusan Biologi UM. (Skripsi Tidak diterbitkan). Malang
DOI:
https://doi.org/10.33387/bioedu.v1i2.4344
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