Hangomi duragakunii naslhoi gibridii yakum, ki alomati yakkhela dorand, dar nasli duvvum ham alomati modari va ham alomati padari bo yak tanosubi muayyan 3:1 zohir meshavand. YAne 3/4 hissai alomatho dominanti va 1/4 hissai onho resessiviand. In natijai on ast, ki naslhoi yakum geterozigoti (Aa) buda, dar nasli duvvum ham …

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 …