Ingirabuzimafatizo bivugwa ko idahuje igitsina kuri gene runaka mugihe alleles imwe ya gene iba ihari kuri chromosomes zombi.
Imiterere yimbeba ya homosexous ni inyamanswa ikoreshwa muri laboratoire yahinduwe genetike kugirango igire kopi ebyiri zisa na gen runaka.Iyi moderi ikoreshwa cyane mubushakashatsi bwa siyanse kugirango isuzume ibibazo bitandukanye byindwara.
Hamwe nikoranabuhanga gakondo, bisaba byibura ibisekuruza 2-3 byororoka no gusuzuma kugirango ubone imbeba zidahuje igitsina ziva ku mbeba zatewe inkunga, zitwara amezi 10-12 hamwe nitsinzi nke.