Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuudzwa: Panhanho yaro inokosha zvikuru, nhaka muzvinhu zvipenyu inoitika kupfurikidza nokupfuudzwa kwamapoka akaparadzana anogarwa nhaka, anonzi majini, kubva kuvabereki kuenda kuvana. Ichi chivakwa chakatanga kucherechedzwa naGregor Mendel, uyo akadzidza kupatsanurwa kwehunhu hunogarwa nhaka muzvirimwa zvepea. Mukuedza kwake kwaaidzidza nezvevara remaruva, Mendel akacherechedza kuti maruva emuti mumwe nomumwe wepine akanga ari epurpura kana kuti machena - asi haana kumbova pakati pemavara maviri aya. Aya mavhezheni akasiyana, akaparadzana egene rimwe chete anonzi alleles.  Mubvunzo: Kucherechedza kupi kwakabetsera kuratidza kuti nhaka muzvinhu zvipenyu inoitika kupfurikidza nokupfuura kwamavara okugara nhaka kubva kumubereki kuenda kumwana?
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