Question #6425734Single Choice
Biology
Question
A population of plants exposed to drought shows increased expression of genes involved in water conservation. Over time, this trait becomes more common in the population. What is the most likely explanation?
Options
A
Epigenetic changes in individual plants are inherited across generations.
B
Drought caused mutations that permanently altered the DNA of the plants.
C
Natural selection favored plants with pre-existing genetic variations for drought tolerance.
D
Drought led to the deletion of non-essential genes in the population.
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