Although the above example shows a simple relationship between two alleles located at one gene locus, coat color in dogs is ultimately quite complicated and not fully understood.

• 虽然上述例子显示了在（染色体上）同一个基因位置的等位基因的简单关系，但最终决定狗的被毛颜色（的因素）是很复杂的，尚不能（为我们所）完全理解。