Soo koob maqaalka:  Geedo iyo dalagyada oo lagu bedelo hiddo-wadaha (DNA) ayaa sabab u ah dood badan sanadihii ugu dambeeyay. laakiin baadhitaan cusub ayaa muujinaya in dabeecada hooyo laga yaabo inay samaysanayso cunto GM ah, sida baradhada macaan ee la ogaaday inay si iskeed ah isu badalayaan Waxay u muuqataa in tani dhacday kumanaan sano, macnaha dadku waxay u isticmaali jireen cuntooyinka GM-ka waqti ka badan intii la filayay. Saynisyahannada Beljimka ayaa sheegaya in dhammaan baradhada macaan (sawirka kaydka ee la muujiyey) ay ku jiraan 'DNA shisheeye'. Bakteeriyada Agrobacterium ee dalagyada waxay is dhaafsadaan hiddo-wadaha noocyada kala duwan. Tani waxay ka dhigeysaa baradhada macaan 'unug dabiici ah oo hidde ahaan loo beddelay'. Dadkuna waxay cuni jireen kumanaan sano. Waxyaabaha cajiibka ah ee laga helay "DNA shisheeye" ee khudaarta ayaa muujinaya inay ku jirto nooc ka mid ah noolaha dabiiciga ah ee loo beddelay hiddo-wadaha (GMO). Cilmi baadhistan waxaa sameeyay saynisyahano ka tirsan jaamacadda Ghent ee dalka Belgium-ka iyo machadka caalamiga ah ee baradhada (CIP). Baradho macaan waa mid ka mid ah dalagyada cuntada ugu muhiimsan ee loogu talagalay isticmaalka bini'aadamka, gaar ahaan Sub-Sahara Afrika, qaybo ka mid ah Aasiya iyo jasiiradaha Baasifigga. Waa mid ka mid ah dalagyada ugu da'da yar ee la beeray iyadoo laga helay qadiimiga godadka Cholca Canyon ee Peru oo ah 8,000 ilaa 10,000 sano jir. In kasta oo magaca, baradhada macaan ma aha qaraabo la baradhada; waxaan cunnaa tuber ka baradhada, halka ka baradhada macaan inta badan xididka kaydinta la cuno. Qeybaha kale ee baradho macaan waa la cuni karaa, sida caleemaha. Maaha kiiskii ugu horeeyay ee GMO dabiici ah ee la helo, laakiin waa kii ugu horeeyay ee baradho macaan - dalagga ugu weyn ee dalagga. Cilmi baadhayaashu waxay sheegeen in baradhada macaan ee aduunka oo dhan ay kujiraan badeecadan Daraasaddan waxaa lagu saleeyey bakteeriyada loo yaqaano Agrobacterium, oo mararka qaar loo yaqaano "Injineerinka hidaha ee dabiiciga ah". Waxaa loo yaqaanaa in uu sameeyo wax loo yaqaano "horizontal gene transfer", taas oo ku lug leh isdhaafsiga hiddo-wadaha noocyada kala duwan - taas oo ka soo horjeeda hiddo-wadaha caadiga ah ee hal nooc. Agrobacterium waxay ku takhasustay inay qayb ka mid ah DNA-deeda ku wareejiso dhirta, T-DNA, waxayna ahayd...
Saynisyahano reer Belgium ah ayaa sheegaya in baradhada macaan oo dhan ay ku jiraan 'DNA shisheeye' Bakteeriyada Agrobacterium ee dalagyada waxay is dhaafsadaan hiddo-wadaha noocyada kala duwan. Tani waxay ka dhigeysaa baradho macaan 'nooc dabiici ah oo hidde ahaan loo beddelay' Dadkuna waxay cuni jireen kumanaan sano.