Which of the following items belongs to balanced population? A: AA 49%; Aa 42%; aa9% B: AA 49%; Aa 26%; aa25% C: AA 25%; Aa 39%; aa36% D: AA 9%; Aa 66%; aa25% E: AA 16% ;Aa 36% ; aa48%
Which of the following items belongs to balanced population? A: AA 49%; Aa 42%; aa9% B: AA 49%; Aa 26%; aa25% C: AA 25%; Aa 39%; aa36% D: AA 9%; Aa 66%; aa25% E: AA 16% ;Aa 36% ; aa48%
由基因频率和基因型频率推测,以下哪个群体不属于平衡群体? A: AA(20%); Aa(60%); aa(20%) B: AA(81%); Aa(18%); aa(1%) C: AA(64%); Aa(32%); aa(4%) D: AA(49%); Aa(42%); aa(9%)
由基因频率和基因型频率推测,以下哪个群体不属于平衡群体? A: AA(20%); Aa(60%); aa(20%) B: AA(81%); Aa(18%); aa(1%) C: AA(64%); Aa(32%); aa(4%) D: AA(49%); Aa(42%); aa(9%)
由基因频率和基因型频率推测,以下哪个群体不属于平衡群体? A: AA(64%); Aa(32%); aa(4%) B: AA(49%); Aa(42%); aa(9%) C: AA(81%); Aa(18%); aa(1%) D: AA(20%); Aa(60%); aa(20%)
由基因频率和基因型频率推测,以下哪个群体不属于平衡群体? A: AA(64%); Aa(32%); aa(4%) B: AA(49%); Aa(42%); aa(9%) C: AA(81%); Aa(18%); aa(1%) D: AA(20%); Aa(60%); aa(20%)
In 1803 the United States purchased Louisiana from _____.
In 1803 the United States purchased Louisiana from _____.
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
下列处于遗传平衡的群体是( )。 A: AA:0.20; Aa:0.60; aa:0.20 B: AA:0.25; Aa:0.50; aa:0.25 C: AA:0.20; Aa:0.50; aa:0.30 D: AA:0.50; Aa:0; aa:0.50 E: AA:0.70; Aa:0.30; aa:0
下列处于遗传平衡的群体是( )。 A: AA:0.20; Aa:0.60; aa:0.20 B: AA:0.25; Aa:0.50; aa:0.25 C: AA:0.20; Aa:0.50; aa:0.30 D: AA:0.50; Aa:0; aa:0.50 E: AA:0.70; Aa:0.30; aa:0
下列杂交组合中,会出现表型分离的是( ) A: Aa×aa B: AA×Aa C: AA×aa D: Aa×Aa
下列杂交组合中,会出现表型分离的是( ) A: Aa×aa B: AA×Aa C: AA×aa D: Aa×Aa
下列哪个群体为平衡群体? A: AA 50;Aa 250;aa 50 B: AA 50;Aa 200;aa 50 C: AA 25;Aa 100;aa 25 D: AA 25;Aa 50;aa 25
下列哪个群体为平衡群体? A: AA 50;Aa 250;aa 50 B: AA 50;Aa 200;aa 50 C: AA 25;Aa 100;aa 25 D: AA 25;Aa 50;aa 25
于遗传平衡状态的群体是() A: AA:0.20;Aa:0.60;aa:0.20 B: AA:0.25;Aa:0.50;aa:0.25 C: AA:0.50;Aa:0;aa:0.50 D: AA:0.30;Aa:0.50;aa:0.20
于遗传平衡状态的群体是() A: AA:0.20;Aa:0.60;aa:0.20 B: AA:0.25;Aa:0.50;aa:0.25 C: AA:0.50;Aa:0;aa:0.50 D: AA:0.30;Aa:0.50;aa:0.20
下列群体中哪一个处于遗传平衡状态() A: 4%AA:32%Aa:64%aa B: 64%AA:16%Aa:4%aa C: 32%AA:64%Aa:4%aa D: 20%AA:40%Aa:40%aa
下列群体中哪一个处于遗传平衡状态() A: 4%AA:32%Aa:64%aa B: 64%AA:16%Aa:4%aa C: 32%AA:64%Aa:4%aa D: 20%AA:40%Aa:40%aa