Hi Tia! Chimera is a random phenotype meaning that it will only say chimera explicitly if you gene test the horse. It is not reflected in the stated color because it doesn't correspond with the expressed genetics
Mystery chuckled "Well bye!" then looked behind to see him further behind, she felt bad and slowed till she was closer to him "Is something wrong? I don't think i've seen a horse gallop that slow no offence" She asked/said softly not sure how he'd respond