The color alleles of Mirabilis jalapa are not dominant or recessive.
(1) Parental generation. (2) F<sub>1</sub> generation. (3) F<sub>2</sub> generation. The "red" and "white" allele together make a "pink" phenotype, resulting in a 1:2:1 ratio of red:pink:white in the F<sub>2</sub> generation.
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