31. The alternative to selective breeding of individuals was a concerted physiochemical investigation of the gene. 32. In fact, humans apparently have increased barking in domestic dogs through centuries of selective breeding . 33. :There are factors of selective breeding at play here. 34. An opposing perception is that genetic engineering is itself an evolution of traditional selective breeding . 35. The play advocated selective breeding for the purposes of political ( not racial ) purity. 36. Many varieties of cotton have been developed by selective breeding and hybridization of these species. 37. Plants evolving due to humans needing their products would arrive with cultivation and selective breeding . 38. The Bene Gesserit try over many generations through selective breeding to produce such a being. 39. That has been achieved through selective breeding , Hines said. 40. Domestic cat breeders may use indoor cat enclosures to separate animals or encourage selective breeding .
