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Question
If a red flowered Mirabilis jalapa plant is crossed with a white flowered plant, what will be the phenotypic ratio in F2 generation? Show it by a chart.
Solution
A cross between red flowered and white flowered Mirabilis jalopa plant:
F2 Generation
|
R | r |
|
||
| R | RR (Red) |
Rr (Pink) |
| r | Rr (Pink) |
rr (White) |
→
↓Phenotypic ratio ⇒ 1 : 2 : 1 (1Red : 2 Pink : 1 White)
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