What is the genotypic and phenotypic ratio in the offspring produced by the cross AABb x...
What is the genotypic and phenotypic ratio in the offspring produced by the cross AABb x Aabb if A is green color, a - yellow; B- tall plants. b -short plant? Assume complete dominance for the trait.
Homework Answers
Cross between AABb X Aabb.
Gametes formed AB and Ab Ab and ab.
Next generation:
| Male/Female | AB | Ab |
| Ab | AABb(green and tall plant) | AAbb(green and short plant) |
| ab | AaBb(green and tall plant) | Aabb(green and short plant) |
The phenotypic ratio = 2:2, means 1:1.
Green and tall plant = 2.
Green and short plant = 2.
The genotypic ratio = 1:1:1:1.
AABb = 1.
AAbb = 1.
AaBb = 1.
Aabb = 1.
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