What happened when the boy dropped the lighted match

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

This is so important ugh its 25 points

Aplant with dark red flowers is crossed with a plant with white flowers. all of the offspring have dark red flowers with white spots. the alleles got flower color in this plant are both dominant both recessive codominant incompletely dominant