ɪɾ ɐpˈɪɹz ðˈɛn, ðˌæɾə nˈɑːvəl dʒˈɛnətˌaɪp ɪmˈɜːdʒd kəntˈeɪnɪŋ ðɪs fˈɔːɹm ʌv sˌiːˌeɪtʃˈɑːɹ wˈʌn ˈeɪ ænd swˈɛpt ðɪ ɛntˈaɪɚ jˌʊɹɹəpˈiən ænd nˈɔːɹθ ɐmˈɛɹɪkən pˌɑːpjʊlˈeɪʃən ʌv tˈɑːksəplˌæzmə ɡˈɑːndɪˌaɪ, bɹˈɪŋɪŋ wɪð ɪt ðə ɹˈɛst ʌv ɪts dʒˈiːnoʊm vˈaɪə dʒɪnˈɛɾɪk hˈɪtʃhaɪkɪŋ.
It appears then, that a novel genotype emerged containing this form of Chr1a and swept the entire European and North American population of Toxoplasma gondii, bringing with it the rest of its genome via genetic hitchhiking.