GWAJIN KWAYOYIN HALITTU NA DNA


An kirkiro wannan gwaji ne na DNA testing a shekarar 1984 a Jami’ar Leista a Ingila. Ana iya amfani da wannan gwaji wajen gano iyayen mutum ko gano wani mai laifi ko wanda kamannin fuskarsa suka sauya misali.

Kwayoyin DNA sune halittu mafi kankanta a jikin dan Adam domin suma a can cikin kananan kwayoyin halittu na cells suke. Kowane dan Adam yana da kwayoyin kusan iri daya da sauran mutane amma yanayin malkwayar halittun kan iya sa masana gane inda na wani ya bambanta da na wani ta hanyar tarasu da yawa a yi nazari a kansu. Dole sai ana da wadannan kwayoyin halittu na mutum a ajiye a matattara tukuna kafin a iya amfani da gwajin. Ana samun wadannan kwayoyi ne a jini, miyau ko a gashi sai a ajiye su a matattarar bayanai, ta yadda da zarar bukatar amfaninsu ta taso za a yi amfani dasu. Idan ba a samu a jini ba ko halittun jikin mutum ba, akan iya samu a jikin wani abu da mutumin kan yi amfani da shi kamar burushin wanke baki ko kum na taje kai.

Wannan gwaji yana kama da gwajin zanen dan yatsa (fingerprinting test) dan bambancin kawai shine cewa babu mutane biyu a duniya masu zanen ‘yan yatsu iri daya ba. (Shi ya sa alal misali ake cewa duk wanda ya yi rijistar zabe sau biyu, na’ura mai kwakwalwa za ta gane, wanda hakan ya sa hukumar zabe ta goge sunayen wadanda suka yi rajista sau biyu. Hakan ta sa wasu suka je wurin zabe basu ga sunansu a rijista ba. Duk da cewa kuma bayanai sun nuna cewa wasu sau daya kawai suka yi rajista amma aka yi dan kure aka goge nasu sunan a rajista. Hakan nan kuma hukumar zata iya gane mutumin da yayi rijista sau daya amma ya dangwala kuri’u fiye da guda ta hanyar wannan na’ura cikin sauki duk inda yake kuwa. Akwai bayanai masu nuna cewa yanzu an fara bi ana kamo irin wadannan mutane daya bayan daya.) Banda laifi na zabe a yanzu duk wanda yayi wani laifi kamar sata, fashi, fyade da sauransu in dai har wannan inji na hukumar zabe ya dauki hannunsa to za a iya gano shi cikin sauki, domin akwai bayanan cewa hukumar zabe za ta iya bawa hukumar ‘yan sanda wadannan bayanai domin yakar laifuffuka. Wannan gwaji kenan yana da matukar amfani wajen rage laifuffuka a cikin kasa.

To haka ma gwajin kwayoyin halittun DNA, wato za a iya dauka a jikin mutum ko yana sane ko baya sane ko a abinda yake amfani dasu na yau da kullum kamar yadda muka zayyana a sama, a kuma ajiye su sai bukatar amfaninsu ta taso.

A halin da ake ciki yanzu akwai irin wannan matattara ta bayanan kwayoyoyin halittun dan Adam da dama a duniya. Ba na jin muna da ita a wannan kasa. Mafi girma dai daga cikinsu itace wadda gwamnatin Amurka take kula da ita wadda ta kunshi bayanan kwayoyin halittun kusan mutane miliyan biyar, wanda da yawansu ma basu san Amurkan tana wadannan bayanai nasu ba.

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2 thoughts on “GWAJIN KWAYOYIN HALITTU NA DNA

  1. Slam! Yanzu dama a na gane danda aka gardama akansa akai kara kotu a ta ragima ko ilimin baizo kammu bane? Kuma dan Allah a ban bance min rabe raben ulser ance kala kala ce idan kuma dayace to aimin bayaninta. Na gode Allah ya kara arziki!

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