ɹˈɛɹli ɑːɹ dʒɪnˈɛɾɪk vˌɛɹɪəbˈɪlᵻɾi ænd ɪts əpˈoʊzɪŋ fˈoːɹsᵻz, ɪŋklˈuːdɪŋ ˌædæptˈeɪʃən, mˈoːɹ ɹˈɛlᵻvənt ðɐn ɪnðə dʒˌɛnɚɹˈeɪʃən ʌv dəmˈɛstɪk ænd ˌæɡɹɪkˈʌltʃɚɹəl spˈiːsiːz.
Rarely are genetic variability and its opposing forces, including adaptation, more relevant than in the generation of domestic and agricultural species.