Answer:
Codominance.
Explanation:
You have two parents whit heterozygous characteristics, and both are dominant the offspring have two dominant alleles, and the phenotype will be a combination of both.
In this case, you have a dominant white WW and a dominant redRR, together they made the codominant pink WR.
In humans, you can found codominance in blood type AB. A and B are both dominant over 0, and when combine they both shown.