ðə sˈaʊθ ɐmˈɛɹɪkən stɹˈeɪnz ʌv tˈiː. ɡˈɑːndɪˌaɪ, ʌvwˈɪtʃ ðɛɹˌɑːɹ fˈɑːɹmˌoːɹ ðɐn ɛɡzˈɪst ˈɛlswɛɹ, ˈɔːlsoʊ kˈæɹi ðɪs ɐlˈiːl ʌv sˌiːˌeɪtʃˈɑːɹ wˈʌn ˈeɪ.
The South American strains of T. gondii, of which there are far more than exist elsewhere, also carry this allele of Chr1a.