遗传因子组成为AABB的个体和aabb的个体杂交,F2代中性状表现与亲本不同的个体占总数的()
A.1/4
B.5/8
C.3/4
D.3/8
参考答案:D
根据句意及首字母的提示,补全单词.
1. The factory produces machines with good q .
2. This is a c word because it has two meanings.
3. Jumping out of the wall made me feel very t .
4. He may not like my visit, but I shall go and see him a .
5. Americans usually feel u when a person stands too close to them.
PTCD术的并发症是()
A.胆汁漏
B.脾栓塞
C.肠梗阻
D.胆囊栓塞
E.以上都不是