BI-1541
Genetic crosses and ratios
Biology · Secondary 4 · Easy · Genetic crosses and ratios
In a certain plant, the allele for purple flowers (P) is dominant to the allele for white flowers (p).
A heterozygous purple plant is crossed with a white plant. What is the expected ratio of purple : white offspring?
A heterozygous purple plant is crossed with a white plant. What is the expected ratio of purple : white offspring?
- 1 purple : 1 white
- 3 purple : 1 white
- 1 purple : 3 white
- 2 purple : 1 white
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