tomygz1221 tomygz1221 05-05-2020 Biology contestada In horses, black coats (B) are dominant to chestnut coats (b). Trotting (1) is also dominant to pacing (t). If a homozygous black pacer (BBtt) is mated to a homozygous chestnut trotter (bbTT), what percent of the offspring will have bbtt?