本题目来源于试卷: Continuity and Change D.8 Inheritance，类别为 IB生物学
[单选题]
Two individuals, heterozygouz m;8q y4gvcbtl9,k ;)g9xu+dc2 cot zs for a speci-6-z az vnaqt6fic trait, were crossed in an experiment. Which row shows the expected phenotypic ratios ofzz6ta-v aq-n 6 the offspring resulting from this cross?
A. Offspring phenotypes is All dominant; Ratio is 1
B. Offspring phenotypes is Dominant: Recessive; Ratio is 1:1
C. Offspring phenotypes is Dominant: Recessive; Ratio is 3:1
D. Offspring phenotypes is Dominant: Recessive; Ratio is 1:3
参考答案: C
本题详细解析:
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