BI-340
Genetic crosses and ratios
Biology · Secondary 3 · Easy · Genetic crosses and ratios
In peas, tall stem (T) is dominant over short stem (t).
A heterozygous tall plant is crossed with a short plant.
What is the expected phenotypic ratio of tall : short plants in the offspring?
A heterozygous tall plant is crossed with a short plant.
What is the expected phenotypic ratio of tall : short plants in the offspring?
- 1 : 1
- 3 : 1
- 1 : 3
- 2 : 1
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