Предмет: Биология, автор: TatianaKorolenko99

Люди добрые,помогите с биологией,с этой ужасной генетикой 10 класса(дигибридное скрещивание),кто чем сможет!

Приложения:

Ответы

Автор ответа: annatsihova
1
2. Ген А - красные глаза, ген а - желтые; ген B - серое тело, ген b - черное.
P: AaBb (самка) х АаВb (самец);
G: AB, Ab, aB, ab. AB, Ab, aB, ab;
Получается 16 особей, только одна будет иметь генотип aabb (все признаки рецессивны).
100:16=6,25%
Автор ответа: Oziik1998
1
2-ое задание:

Дано : А - красный цвет глаз
а - желтый цвет глаз
В - серая окраска тела
в - черная окраска тела
Найти : F1

Решение:
Р : АаВв х АаВв
G : Ав, АВ, аВ, ав ; Ав, АВ, аВ, ав 
F1 : ААвв, ААВв, АаВв, Аавв, ААВв, ААВВ, АаВВ, АаВв, АаВв, АаВВ, ааВВ, ааВв, Аавв, АаВв, ааВв, аавв.
аавв - черное тело,желтые глаза, а это 1/16 = 0,0625%
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