In Some Plants,a Purple Pigment Is Synthesized from a Colourless

question 68

Multiple Choice

In some plants,a purple pigment is synthesized from a colourless precursor.In a cross between two plants,one purple and the other colourless,an F₁ generation was produced that was all-purple.The F₂ produced from the F₁ had 775 purple,200 red,and 65 colourless.What is the genotype of the parents?

• A) AABB × AABB
• B) AABB × aabb
• C) aabb × aabb
• D) aaBB × aabb
• E) AAbb × aabb

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