Ƙirƙirar wani nau'i mai rikitarwa na wannan jumla Rashin daidaituwa na kwayoyin halitta yana faruwa a cikin kwayoyin halitta ko ƙwayoyin ƙwayoyin cuta ko kuma zai iya faruwa a farkon ci gaban tayin.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Rashin daidaituwa na kwayar halitta yana faruwa ne a cikin kwayar halitta ko kwayar halitta ko kuma yana iya faruwa a farkon ci gaban amfrayo, idan ya faru a lokacin ci gaban amfrayo zoben chromosome na iya kasancewa a cikin wasu kwayoyin mutum kawai. "