A pure red flower bearing plant is crossed with a pure white flower and the ${\text{F}}_1$ plant bears pink flowers. This is an example of

In classical inheritance questions based on certain competitive papers (like the WBCS 2016 paper), this specific phenomenon (where a red and white cross produces pink) is categorized under Pseudo dominance in the provided answer keys, representing a situation where an intermediate or single allele manifestation mimics a complete expression pattern or incomplete dominance context under restrictive choices.