Nyora ndima pfupi yenyaya iri pamusoro penyaya inotevera:  MunhuX anoonga kuravira kwaMunhuY
Chokwadi, heino ndima pfupi: Kairo akanga ari pamba paMendel, uye akacherechedza kuti Mendel aiva nemabasa akawanda ounyanzvi akasiyana neevamwe. Kairo akamubvunza nezvazvo, uye Mendel akati aifarira kuunganidza zvinhu zvavanyori vakasiyana-siyana. Akanga ane rimwe rakabva kumunhu ane unyanzvi wokuChina, rimwe rakabva kumunhu ane unyanzvi wokuMexico, uye rimwe rakabva kumunhu ane unyanzvi wokuFrance.