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, het . 0amkm+a afk -nr(:hnsf7pja3 h2e-f19b pja 4xt4h1g*ydydz7)kj/p- bpmy erozygous for a specific trait, were crossed in an experiment. Which row shows the expected phenotypic ratios of the4jb d mpp / thk7ax-dj 4b*yyp91z1)yg 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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