Dar natijai tajribaho G.Mendel ba khulosa omad, ki omilhoi irsi, yane genho dar gametaho (hujayrahoi jinsi) omekhta nashuda, dar holati toza (betagyir) memonand. Dar naslhoi yakumi gibridi (G1) ki az duragakunii volidon alo- mathoi farqkunanda paydo shudaand, hardu omil, yane dominanti va resessivi joy dorad. Dar shakli alomat omili dominanti …

Dar surate ki duoi zerin hangomi chihilsolagi khonda shavad, umedi on khohad raft, ki farzandoni nek va tavfiqi amoli soleha nasib gardad. Duo in ast: Bismillohi-r-Rahmoni-r-Rahim Rabbi avzini an ashkura nimataka-l-lati anamta alayya va alo volidayya va an amala solihan tarzohu va aslih li fi zurriyyati inni tubtu ilayka va …

Kase, ki mubtalo ba bemorihoi qalbi meboshad, dastashro bar rui dilash biguzorad va 111-marotiba «Subhonallohi va bihamdih»-ro biguyad, inshoalloh in amal bisyor mufid meboshad, zero in amal bisyor mavridi ozmoish qaror giriftaast.

Inson az davrahoi qadim ba monandi va farqiyati volidonu naslho maroq zohir namuda, kushish mekard, ki asosi in muammoro dark namoyad. Az chi sabab baze alomatho dar hamai naslho zohir meshavand, ammo digar guruhi alomatho va khosiyatho boshand, goh dar naslho paydo shuda, goho zohir nameshavand. Aknun malum gardid, ki …

CHunone ki malum ast, bisyor botanikho dar natijai duraga kardani volidoni gunogun, ki bo alomathoi khud farq doshtand, kushish ba kharj dodaand, ki mekhanizmi ba meros guzoshtani onhoro kushoyand. Ba in maqsadi oli avvalin shuda olimi CHekh G.Mendel noil gardid. Mendel baroi tajriba navhoi gunoguni rastanii nakhudro intikhob mekard. CHunki …

QONUNHOI MENDEL: Qonunhoi merosguzorii alomathoi irsiro G.Mendel kashf namuda, onhoro dar maqolai «Tajriba dar rastanihoi gibridi» chop menamoyad va onho bo nomi qonunhoi Mendel malumand. Badi az jonibi genetiki gollandi G.De-Friz, botaniki olmoni K.Korrens va genetiki avstriyagi E.CHermak takroran kashf shudani in qonunho, genetika hamchun fan dar borai irsiyat va …

YAk zumra savolhoi mantiqi dar in joy gird ovarda shudaand, ki bo khud javobhoi tayyor dorand va baroi yoftani posukhi durust mushkili namebined. Ba nazar girift, ki savolhoi maniqi khele shavqovar ast va bo kudakoni khud onhoro barrasi kardan jalbnok mekunad. SHumo in savolhoi mantiqiro dar safar, roh ba sui …

Asosguzori fanni genetika olimi chekh Gregor Mendel meboshad. U soli 1865 qonunhoi merosguzorii alomathoi irsiro kashf namuda bud. Lekin dar davomi 35 sol ahli ilmi onvaqta bo in kashfiyot maroq zohir nakard va yo sarfahm naraft. Faqat soli 1900 in qonunho az sari nav kashf shudand va on soli tavlidi …

Genetika du khususiyati asosii organizmhoi zinda – irsiyat va tagyirpaziriro meomuzad. Irsiyat hamchun khususiyati az nasl ba nasl guzaronidani alomatho, khosiyathoi irsi va asosi inkishofro dar bar megirad. Bo sharofati irsiyat dar tabiat har yak namudi rastani va hayvon khususiyathoi khosi khudro dar muddati muayyani tarikhi nigoh medorad. Jihati digari …

Hazrati Sayd ibni Musayyab (pah) mefarmoyad: YAk dafa dar masjid istirohat mekardam, nogahon khotife sado kard: – Ey Sayd, bo khondani in kalimoti zerin har duoe, ki binamoi pazirufta khohad shud. Kalimot in ast: Bismillohi-r-Rahmoni-r-Rahim Allohumma innaka Maliku-m-Muqtadiru mo tashou min amrin yakunu fa asidni fi-d-dorayni va kun li va …