CONTOH PERSILANGAN MONOHIBRID

·         Disilangkan kelinci hitam dan kelinci putih, keturunan pertama semua berwarna hitam. Buatlah diagram persilangannya dan bagaimanakah rasio fenotip dan genotipnya?

Parental (P)                        HH                         ><                           hh

                                            Hitam                                                    Putih

Gamet (G)                          H                                                             h

Filial (F1)                                                             Hh

P2                                           Hh                          ><                           Hh

                                             Hitam                                                   Hitam

Gamet (G)                          H                                                             H

                                              h                                                             h

F2                                                           H             h

                                                H             HH         Hh

                                                H             Hh          hh

Perbandingan Genotip=                         HH  :   Hh  :   hh

                                                           1    :    2    :    1

Perbandingan Fenotip=                          Hitam     :     Putih

                                                                3         :         1