本题目来源于试卷: SL/HL Topic D3.2 Inheritance，类别为 IB生物学
[单选题]
3. In Labrador dogs, black coat is dominant p( 4bf3nsxc rw7rb4o .ov ba nzyo2s1-g0 k7 g3;upj5u k6rcai8oer chocolate coat. The genotype of a black male labrador is unknown. How c87rooygskb23-6u ;np5ai1uk gcz0a j an the genotype of this black Labrador be determined?
A. By using a PCR test.
B. By a cross with a chocolate female labrador.
C. By a cross with a black female labrador.
D. By mating the male with a white female dog.
参考答案: B
本题详细解析:
暂无
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