A) 5, 7, 8
20. (v15-109-30) Pleyotropiya hodisasiga mos keluvchi ma’lumotlar togri korsatilgan javobni toping.
1) bitta genning bir qancha belgining rivojlanishiga ta’siri; 2) allel bolmagan bir nechta genning bitta belgining rivojlanishiga ta’siri; 3) allel genlarning faoliyatida namoyon boladi; 4) ba’zan organizmning nobud bolishiga ham sabab boladi; 5) tovuq pati jingalak boiishi hayotchanlikka salbiy ta’sir korsatadi; 6) osimliklarda gul, poya va shoxlarning toq qizil bolishiga olib keladi; 7) noallel genlarning bitta belgining rivojlanishiga o-xshash ta’sir etishi;
8) kumulyativ va nokumulyativ turlari mavjud. A) 5, 7, 8 B) 1,3,6
C)2, 4, 6, 8
D) 1,4, 5,7 1