本题目来源于试卷: Continuity and Change D.8 Inheritance，类别为 IB生物学
[单选题]
Which row shows the corrnxn cr c+ou174ect annotation of thca4a ls)b wrsv(dx166e alleles for blood groups?
A. I$^A$ ; I$^B$ ; i
B. Blood group B; Blood group A ; Blood group O
C. I$^A$$I^B$ ; I$^B$$I^B$ ; I$^A$i
D. A$^+$ ; B$^+$ ; O$^-$
参考答案: A
本题详细解析:
Alleles are versions of a gene. Choice A shows 3 different alleles. Choice B shows three blood groups (phenotypes). Choice C shows three genotypes, and Choice D shows 3 blood groups (phenotypes).
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