Answer:
Option C, resulting in variation genes being expressed in different ways due to environmental conditions
Explanation:
Several genetic traits are affected by both internal and external environmental conditions. Some common examples are – height , color of eye, hair color, skin color, and even some genetic diseases.
The internal environmental factors include – gender, temperature etc.
While the external environmental factors include drugs, chemicals, temperature, and light.
Hence, the external environmental condition i.e pH of soil is producing different color of flowers in a given plant
Hence, option C is correct