Предмет: Биология, автор: sanechik1904

Скрестили томаты с красной и желтой окраской плоды. Определите фенотип и генотип в первом и втором поколении.

Ответы

Автор ответа: Ctan
0

Дано:                                         Решение: 

А-жёлтый цвет плода.               1)Р Аа и АА x aa

а-красный цвет плода                   Г      A;а   а

Найти:                                          F1 Аа : аа    

F1- по генотипу и фенотипу           F2  Аа : аа

F2 -по генотипу и фенотипу                ж.ц   к.ц 

                                                  2)Р АА  х аа 

                                                     Г  А       а

                                                     F1   Aa

                                                     Г А;а  А;а

                                                     F2 АА Аа Аа аа 1:2:1

                                                                        ж.ц: ж.ц:к.ц 2:1

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