stˈʌdiz hæv sədʒˈɛstᵻd ðæt mˈoʊst əv ðə dʒˈiːnz kəntɹˈoʊlɪŋ mˈeɪl kˈoːɹtʃɪp sˈɪɡnəlz ɑːɹ ɪnhˈɛɹɪɾᵻd æz ɐ kˈoʊɐdˈæptᵻd dʒˈiːn kˈɑːmplɛks ɔnðɪ ˈɛkskɹˈoʊməsˌoʊm.
Studies have suggested that most of the genes controlling male courtship signals are inherited as a co-adapted gene complex on the X-chromosome.