APFIVE Phenotypic Plasticity in Yeast
When exposed to α-factor from nearby cells, haploid cells of mating type α in the yeast Saccharomyces cerevisiae increase their production of a-factor pheromone. This phenomenon best illustrates:
A
Genetic drift within the yeast population
B
Epigenetic inheritance of acquired characteristics
C
Phenotypic plasticity in response to environmental cues
D
Directional selection for mating efficiency
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