In the imaginary world of Eos a species of bird called the Chocobo comes in three colors: yellow, white, and black, in which black is the most genetically dominant trait and white is recessive. A cataclysmic event occurred when a rogue meteor strikes the planet and sends up a vast amount of dust into the atmosphere, blocking out the sun. Consequently, the sun’s rays were not able to penetrate through the thick cloud well and thus was not warming up the surface. The climate cooled to the point that it snowed year round across the globe. After three years the population of the yellow and black Chocobo declined drastically while the white Chocobo thrived. Which of the following statements best explains the trend?