If a heterozygous tall plant is crossed with a homozygous dwarf plant the proportion of dwarf progerry will be__________________?
Correct answer: B. 50%
- A. 25%
- B. 50%
- C. 75%
- D. 100%
Explanation
The cross Tt × tt produces Tt, Tt, tt and tt in the expected ratio, so half the progeny are homozygous dwarf. Thus, the dwarf proportion is 50%.
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