▁bay ▁base ▁coat ▁and ▁the ▁cre am ▁gene ▁will ▁be ▁bu ck sk in ▁or ▁perl ino . ▁ ▁A ▁black ▁base ▁coat ▁with ▁the ▁cre am ▁gene ▁becomes ▁the ▁not - always - recogn ized ▁sm ok y ▁black ▁or ▁a ▁ ▁sm ok y ▁cre am . ▁C ream ▁horses , ▁even ▁those ▁with ▁blue ▁eyes , ▁are ▁not ▁white ▁horses . ▁ ▁D il ution ▁color ing ▁is ▁also ▁not ▁related ▁to ▁any ▁of ▁the ▁white ▁spot ting ▁patterns . ▁▁ ▁The ▁cre am ▁gene ▁( CC r ) ▁is ▁an ▁incomplete ▁dominant ▁alle le ▁with ▁a ▁distinct ▁dos age ▁effect . ▁The ▁DNA ▁sequence ▁responsible ▁for ▁the ▁cre am ▁colors ▁is ▁the ▁cre am ▁alle le , ▁which ▁is ▁at ▁a ▁specific ▁loc us ▁on ▁the ▁M AT P ▁gene . ▁ ▁Its ▁general ▁effect ▁is ▁to ▁light en ▁the ▁coat , ▁skin ▁and ▁eye ▁colors . ▁When ▁one ▁copy ▁of ▁the ▁alle le ▁is ▁present , ▁it ▁dil utes ▁" red " ▁p ig ment ▁to ▁yellow ▁or ▁gold , ▁with ▁a ▁stronger ▁effect ▁on ▁the ▁man e ▁and ▁tail , ▁but ▁does ▁not ▁dil ute ▁black ▁color ▁to ▁any ▁significant ▁degree . ▁ ▁When ▁two ▁copies ▁of ▁the ▁alle le ▁are ▁present , ▁both ▁red ▁and ▁black ▁p ig ments ▁are ▁affected ; ▁red ▁hair s ▁still ▁become ▁cre am , ▁and ▁black ▁hair s ▁become ▁re dd ish . ▁ ▁A ▁single ▁copy ▁of ▁the ▁alle le ▁has ▁minimal ▁impact ▁on ▁eye ▁color , ▁but ▁when