Предмет: Биология, автор: mlan210774

В дрозофил ген B определяет цвет тела. Его доминантный аллель (B) обуславливает серую окраску тела, а рецессивный аллель (b) - желтую окраску тела. Скрестили самку (bb), которая имеет желтый цвет тела, с самцом (BB), тело которого серую окраску. Какие фенотипы будут потомки от этого скрещивания?

Выберите один ответ:
25% серых и 75% желтых мух
все потомки серые
все потомки желтые
50% серых и 50% желтых мух

Ответы

Автор ответа: Helf1

Ответ:

все потомки серые

Объяснение:

потому что ген В доминант, он подавляет гены b

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