Kirish, tirik va jonsiz tabiatning o’xshashligi va farqlari. Ismingiz

Genetika –III. Ismingiz…………………
1.Mendel no’xotning necha juft belgisini nasldan-naslga o’tishini aniqladi?......................................................................
2.Irsiyatning tuzilishi va funksional birligini aniqlang?........................................................................................................
3.Polimeriya hodisasini 1- bo’lib o’rgangan olimni aniqlang?.............................................................................................
4.Hozirgi vaqtda nasldan-naslga o’tib boruvbchi odamdagi normal va patalogik belgilar sonini aniqlang?.......................
5.Polidaktiliya bu…?............................................................................................................................................................
6.Baron qaysi hayvon zoti?...................................................................................................................................................
7.Qaysi hayvonlarda Y –xramasoma umuman bo’lmaydi?..................................................................................................
8.Keltirilgan belgi;ardan qaysi biri pleytrop ta’sirga ega?....................................................................................................
9.Autasomalar bu…?.............................................................................................................................................................
10.Bug’doy o’simligida xramasomaning gaploid to’plami nechaga teng?...........................................................................
11.Qon ivimaslik kasalligi qanday ataladi?...........................................................................................................................
12.Lavlagi ildizmevasidagi shakar miqdori qaysi genlarning ta’siriga bog’liq?..................................................................
13.Rentgen nurlari ta’sirida mutatsiyalarni paydo bo’lishini necha marta oshirishga erishildi?..........................................
14…..dominantlik farq qilinadi?...........................................................................................................................................
15.Daltonizm …ranglarni ajrata olmaslik kasallik?..............................................................................................................
16.Turli genlarning chalkashish foizi nimaga bog’liq ?........................................................................................................
17.Jins qachon ma’lum bo’ladi?............................................................................................................................................
18.Ikki juft belgisi bo’yicha Geterozigota genotipni aniqlang?............................................................................................
19.Genlarning polimer ta’sirida fenotip bo’yicha 1:4:6:4:1 nisbatda ajralish kuzatilsa genotip bo’yicha qanday ajralish namayon bo’ladi?..................................................................................................................................................................
20.Drozofillani ko’payishi uchun zarur bo’lgan haroratni aniqlang?..................................................................................
21.Allel bo’lmagan genlar o’zaro… ta’sir qiladi?................................................................................................................
22.Genlarni epistaz ta’siri natijasida tovuqlarning qora rangda bo’lishini qaysi genotip belgilaydi?..................................
23.Keyingi yillarda xushbo’y no’xotning qaysi belgilarning irsiylanishi naslda mustaqil taqsimlanmasligi isbot etildi?.....................................................................................................................................................................................
24.Quyidagilardan qaysi birini o’rganish biologiya uchun nazariy va amaliy jihatdan katta ahamiyatga ega?........................................................................................................................................................................................
25.Qaysi mutatsiya genlar o’zaro ta’sir harakterini o’zgartiradi?.........................................................................................
26.Drozofillada xramasomalarning diploid holatdagi sonini aniqlang?...............................................................................
27.Qaysi mutatsiya genlarning yangi kombinatsiyalarini hosil qiladi?................................................................................
29.Ikki belgisi bo’yicha geterozigotali bo’lgan genotipni aniqlang?....................................................................................
30.Bir genning bir qancha belgilarning rivojlanishiga ta’siri qanday nomlanadi?...............................................................
31.Xramasomalarni ichki tuzilishdagi farqni aniqlash imkoniyatini beruvchi metodni aniqlang?.......................................
32.Odamning terisiga qora rang beruvchi pigmentni aniqlang?...........................................................................................
33.Mutatsiyalar ta’sir doirasiga qarab qanday guruhlarga ajratiladi?...................................................................................
34.Odamdagi dominat belgini aniqlang?.............................................................................................................................
35.Odam hujayrasidagi xramasoma soni va tuzilishini o’rganishda qaysi hujayradan foydalaniladi va ularni necha gradusli muhitda o’stiriladi?.................................................................................................................................................
36.Qaysi usulni odamda tadqiq etib bo’lmaydi?...................................................................................................................
37.Odam populyatsiyasida aniqlangan nasldan-naslga o’tuvchi kasalliklar sonini aniqlang?..............................................
38.Nima uchun drazofilla pashshalarida analiz qiluvchi chatishtirish uchun urg’ochi pashshalar olish kerak?..................
39.Poliplodiya bu…?............................................................................................................................................................
40.Jinsiy xromasomalarning qaysi biri Kleynfelter sindromiga xos emas?..........................................................................
41.Himolay quyonlarida jins rangini fenotipik o’zgarishi nima ta’sirida yuz beradi?..........................................................