(23-24)22.05.2020
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23-sinov 1.quyidagi organizmlar orasida ovogenezining shakllanish davrida qo’shimcha qobiq rivojlanadiganlarini aniqlang. 1) iguana; 2) malla revun; 3) agama; 4)povituxa; 5)katta kivi; 6) qizilquyruq; 7) moyqurt; 8) latcha; 9) korsak; 10) forel; 11) murg’ob. a) 1,3,5,7,9 b) 2,3,6,8,11 c) 1,5,6,11,7 d) 1,4,5,7,10 2. og’izbo’shlig’i→xalqum→qizilo’ngach→jig’ildin→oshqozon→o’rta ichak→anal teshik 1) kipriklilar; 2) so’rg’ichlilar; 3)qoramol tasmasimon chuvalchangi; 4) kamtuklilar; 5) malyuskalar; 6) to’garak chuvalchanglar; 7) ko’p tuklilar; 8)gidra. hazm organlarini paydo bo’lish tartibida joylang. a) 8→2→7→4→7→6 b) 1→8→3→5→4→6→6 c) 1→1→6→7→7→6→6 d) 8→1→6→6→4→7→6 3. seleksioner tomonidan shunday tajriba o’tkazildi: ikki xar-xil gorillalarni chatishtirdi natijada olingan gorilla bolasini qon t...
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