Correct answer: Genetic Drift
Genetic drift is defined as the random change in the allele frequency of a population is changed by chance or due to random changes in the environment. It is a random process that can lead to large changes in the overall population in a short period of time. It is a mechanism of evolution and it does produce the adaptation.
Hence, the correct answer would be genetic drift.
The gene for tallness was dominant as its gene dominated the genes for for short plants
