题目内容
（请给出正确答案）
[主观题]
In some plants, a purple pigment is synthesized from a colorless precursor. In a cross bet
ween two parental plants, one purple and the other colorless, an F 1 generation was produced that was all purple. The F 2 produced from the F 1 had 775 purple, 200 red and 65 colorless plants. What mode of inheritance and phenotypic ratio do these results suggest？
A．Incomplete dominance,1:2:1 phenotype ratio
B．Dominant epistasis, 12:3:1 phenotype ratio
C．Codominance,1:2:1 phenotype ratio
D．Recessive epistasis, 9:3:4 phenotype ratio
提问人：网友sddylzh
发布时间：2022-01-07
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