The Origin of Species Chapter 1 Part 2 - Variation Under Domestication

In which the curious phenomena of inheritance and variation in domestic pigeons are carefully examined, advocating the singular descent of diverse breeds from the rock-pigeon, and the potent influence of human selection—both conscious and unconscious—in shaping the myriad forms and qualities of animals and plants. The discourse further contemplates the conditions favouring such selection, the gradual yet profound modifications wrought over generations, and the complex interplay of variability, use, and environment in the slow creation of the familiar varieties cherished by mankind.