試題詳解

18. Which of the following accurately gives the distribution of phenotypes produced from a cross of purple dwarf pea plants that are heterozygous for flower color and plant height?
(A) 27 purple dwarf; 28 purple tall; 31 white dwarf; 29 white tall
(B) 63 purple dwarf; 28 purple tall; 27 white dwarf; 7 white tall
(C) 132 purple dwarf; 138 white tall
(D) 54 purple dwarf; 6 white tall
(E) 100% purple dwarf