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


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Bog'liq
9-sinf savolnoma

Genetika –I. Ismingiz…………………
1.Genetika fani organizmni qaysi xususiyatini o’rganadi?..................................................................................................
2.Genetikaga faniga asos solingan sanani aniqlang?...........................................................................................................
3.Mendel o’z tajribalarini qaysi o’simlikda o’tkazdi?..........................................................................................................
4.Irsiyatning moddiy asoslarini aniqlang?...........................................................................................................................
5.Fenotip bu…?.....................................................................................................................................................................
6.No’xot o’simligi odatda qanday yo’l b-n chaglanadi?.......................................................................................................
7…..- organizmlarning belgi va rivojlanish xususiyatlarini kelgusi avlodlarga o’tkazib turish xossasidir?........................
8.Ma’lum bir organizmning barcha genlar yig’indisi….deb ataladi?...................................................................................
9.Mendel o’z tajribalarining natijasini nechanchi e’lon qilingan?........................................................................................
10…..organizmning yangi belgi va xususiyatlarni namoyon qilish qobilyati?.....................................................................
11.Fenotipni belgilovchi anatomik belgilarni aniqlang?.......................................................................................................
12.Mendel tadqiqotlarini qayta kashf etgan olimlarni aniqlang?..........................................................................................
14.Fenotipni belgilovchi tashqi belgilarni aniqlang?............................................................................................................
15.Mendel qo’llagan usul qanday nomlanadi?......................................................................................................................
17.Dominant belgi bu….?.....................................................................................................................................................
19.Qaysi belgilar chala dominantlik holda irsiylanadi?........................................................................................................
22….bir juft belgisi bilan farq qiladigan ota-ona organizmlarni chatishtirish?....................................................................
25.Mendel tajribalarini mhiyati nimada edi?........................................................................................................................
26.Qaysi chatishtirish F2 bo’g’inda fenotip va genotip jihatdan 1:2:1 nisbatda kuzatiladi?...............................................
27.Nomozshomgulning ….gulli vakillari oraliq harakterga ega?.........................................................................................
29.Ko’payishning qaysi usulida avlodlar o’rtasida bog’lanish genlar orqali yuzaga chiqadi?.............................................
30.Gomozigota bu …?..........................................................................................................................................................
31.Dominatlik qachon chala bo’ladi?....................................................................................................................................
32.Bir tur doirasida individlarning o’xshashligi nima tufayli tufayli yuzaga keladi?...........................................................
34.Fenotipni belgilarni belgilovchi gistalogik belgilarni aniqlang?.....................................................................................
37.Belgilarning ajralishi….da kuzatiladi?.............................................................................................................................
38.Geterozigota genotip berilgan javobni aniqlang?.............................................................................................................
40.Qulupnoyning qaysi belgisi oraliq xarakterga ega?.........................................................................................................
41.Bir tur individlar o’rtasida tafovutlar organizm … bilan bog’liq?...................................................................................



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