When pink-flowered four o’clock plants (Rr) are crossed among themselves, the F₂ phenotypic ratio is ____.
Correct answer A. 1 red : 2 pink : 1 white
Explanation
In incomplete dominance each genotype has its own phenotype, so the phenotypic ratio equals the genotypic ratio 1 RR : 2 Rr : 1 rr.
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