C57BL/6, oo inta badan loo yaqaan "C57 black 6", "C57", ama "black 6" (soo gaabinta heerka B6), waa nooc ka mid ah jiirka shaybaadhka ee caadiga ah. Waxaa si ballaaran loo isticmaalaa sida jiirka transgenic ee baaritaanka hidda-socodka si loogu ekaado cilladaha hidde-socodka aadanaha.
Micronuclei waa koromosoomyada oo dhan ama jajabyo acentric ah ama koromosoomyada giraanta kuwaas oo ku sii jira cytoplasm marka koromosoomyadu ay si joogto ah u galaan unugyada gabadha si ay u sameeyaan nuklei ka dib mitosis.
Runtii aad ayay u nasiib badan tahay in la helo soo saaraha xirfadle iyo mas'uul ka ah, tayada alaabadu waa wanaagsan tahay iyo keenista waqtigeeda, aad u fiican.
Warshadu waxa ay dabooli kartaa baahida dhaqaale iyo mid suuqeed ee si joogto ah u kobcaysa, si wax soo saarkoodu u noqdo mid si weyn loo aqoonsan yahay, looguna kalsoon yahay, waana sababta aanu u dooranay shirkaddan.