From a single ear of corn a farmer planted 300 kernels which produced 225 tall and 75 short plants. the genotype of these offsprings are most likely to be_____________________?
Correct answer: D. TT Tt and tt
- A. TT and Tt only
- B. TT and tt only
- C. Tt and Tt only
- D. TT Tt and tt
Explanation
A 3:1 tall-to-short ratio indicates a cross between two heterozygotes, Tt × Tt. Its offspring can therefore contain TT, Tt and tt genotypes.
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