The link below is from UC Davis, color genetics.
Mr Black was DNA color tested at UC Davis
E/e Both black and red factors detected
a/a Agouti only recessive allele detected. Black pigment distributed uniformly. Basic color is black
The Aguouti gean controls the evenly distributed for the black pigment.
N/O Lethal White N/O One copy ,If bred to another
horse with the lethal white positive there is a 25% chance of producing a lethal white overo foal.
Mr pictured at 10 mouths old.
Mr Black 5 days old,with his dam