In snapdragon plants, the gene for red petals (R) is incompletely dominant to the gene for white petals (r).
Individuals that are heterozygous (Rr) have pink petals.
A plant with pink petals is crossed with a plant with white petals.
What is the chance that the offspring will have red petals?

In this case, A plant with pink petals is crossed with a plant with white petals then the chance that the offspring will have red petals - 0%

Incomplete Dominance takes place when the dominant trait does not completely mask the recessive trait.

one allele is not completely dominant over the other
It falls between two possible parent phenotypes
the physical characteristics of one parent but instead will have the characteristics of both parents
Combination of the dominant and recessive traits
the pink plant will have a genotype Rr while the genotype of the white plant will be rr.
crossing both of them would not generate RR(Red) petal plant, so it should be 0%

Cross: Rr (pink) x rr (white)

R r

r Rr rr

Thus, A plant with pink petals is crossed with a plant with white petals then the chance that the offspring will have red petals - 0%

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In snapdragon plants, the gene for red petals (R) is incompletely dominant to the gene for white petals (r). Individuals that are heterozygous (Rr) have pink petals. A plant with pink petals is crossed with a plant with white petals. What is the chance that the offspring will have red petals?

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In snapdragon plants, the gene for red petals (R) is incompletely dominant to the gene for white petals (r).
Individuals that are heterozygous (Rr) have pink petals.
A plant with pink petals is crossed with a plant with white petals.
What is the chance that the offspring will have red petals?