Dzidzo:, Sayenzi
Nheyo yekubatanidza: chinangwa chechirevo uye maitiro anowanikwa mumunda we genetics
Kutevedzana ndiyo nzvimbo yezvivako zviviri kuti zvienderane kune imwe neimwe nenzira inokosha.
Pfungwa yekubatanidza muzvinyorwa zvebhaibheri inosanganisira mabhiiyo emakemikorari ezvinyorwa uye zvikamu zvakasiyana-siyana. Iko kunogadzirisa kuumbwa kwehumwe hukama huri pakati pavo (semuenzaniso, kushamwaridzana kwehydrophobic kana kushandiswa kwemagetsi pakati pezvikwata zvinoshanda zvemapoka).
Muchiitiko ichi, zvinyorwa zvinowedzera uye biopolymers hazvisanganiswi ne covalent chemikiti bond, asi nekukwirirana kwepakati kune umwe neumwe nekuumbwa kwezvisungo zvisina simba, izvo zvese zvine simba guru, izvo zvinokonzera kuumbwa kwakakwana kwakagadzikana kwema molecules. Muchiitiko ichi, basa rekubatsira kwezvinhu zvinotenderera kuburikidza nekugadzirisa kwavo nemuviri wepakati wekugadzirisa maitiro.
Nheyo yekubatanidza mumasikirini emasikirini inosanganisira nzira yekudzokorora (kaviri) yeDNA. Ngetani imwe neimwe yezvivakwa izvi inogona kushanda sematrikisi iyo inoshandiswa mukushandiswa kwemaketani anowirirana, ayo pamagumo ekupedzisira anobvumira kuwana makopi chaiwo ezvakabva deoxyribonucleic acid. Muchiitiko ichi, pane mutsara wakajeka pakati pezvinokwana nitrogenous, apo adenine inosangana ne thymine, uye guanine - chete ne cytosine.
Nechinhu chero chipi zvacho chinoputsika mune zvakanyorwa zvakanyatsorondedzerwa pakati pezvinhu zvinokosha zvemasikiromendi akasiyana mumuviri, zvirwere zvinokonzera kuti kliniki izviratidze ivo sezvirwere zvepabonde. Inogona kuparidzirwa kune dzinza kana kusawirirana nehupenyu.
Mukuwedzera, zvichibva pamutemo wekugadzirisa zvakakosha zvakakosha kuongorora - PCR (polymerase chain reaction). Nekubatsirwa kwemashoko anonzi genetic detectors, DNA kana RNA inowanikwa nemazvirwere zvakasiyana-siyana zvehutachiona hwehutachiona hwevanhu kana hutachiwana, izvo zvinobatsira kupa chirongwa maererano nehutano hwechirwere.
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