What is the distribution of phenotypes from a cross of purple tall pea plants that are heterozygous for flower color and plant height? (Purple is dominant to white; tall is dominant to dwarf.)
A. 27 purple dwarf; 28 purple tall; 31 white dwarf; 29 white tall
B. 132 purple tall; 138 white dwarf
C. 100% purple tall
D. 54 purple tall; 6 white dwarf
E. 63 purple tall; 28 purple tall; 27 white dwarf; 7 white dwarf
Answer: E
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