Myophosphorylase ⟶ Tenderness ⟶ Progressive Ataxia ⟶ BVD/pesti ⟶ Angus genetic conditions ⟶ Hereford genetic conditions ⟶ Myostatin ⟶ Leptin ⟶ Dwarfism/BD1 ⟶ SNP Poll ⟶ Colour Coat ⟶
