54. A cross between homozygous purple-flowered and homozygous white-flowered pea plants results in offspring with purple
flowers. This demonstrates _____.
(A) the blending model of genetics
(B) true-breeding
(C) dominance
(D) a dihybrid cross
(E) the mistakes made by Mendel
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C 顯性原則A 調和學說B 純品系D 雙...
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