Which of the following is Not one of the major exports of New Zealand?
A. Dairy products.
B. Fish.
C. Wool.
D. Oil.
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The two main land masses in New Zealand are ___________________.
A. the White Island and the thermal region
B. the North Island and the South Island
C. the Southern Alps and the North Island
D. Auckland and the South Island
小麦属于多倍体，其染色体组成为AABBDD，应属于
A. 异源三倍体
B. 异源六倍体
C. 同源三倍体
D. 同源六倍体
人工繁育的无籽西瓜为
A. 异源三倍体
B. 同源三倍体
C. 异源四倍体
D. 同源四倍体
属于染色体数目畸变的类型包括
A. 单倍体
B. 同源二倍体
C. 同源三倍体
D. 同源四倍体
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