White Dogs With Blue Eyes Deaf. The piebald gene is a result of the absence of melanocytes, which are the cells that create pigment. Dogs that carry the piebald gene are often affected by deafness. Congenital deafness is also linked to the merlĂ© gene, which causes a dog to Dogs that carry the piebald gene are often affected by deafness. Congenital deafness is also linked to the merle gene, which causes a dog to have a merle (or dapple) coat and blue eyes. The piebald gene is a result of the absence of melanocytes, the cells which create pigment. The piebald gene is a result of the absence of melanocytes, which are the cells that create pigment. Congenital deafness is also linked to the merle gene, which causes a dog to have a merle (or dapple) coat and blue eyes. Melanocytes are responsible for determining the dog's hair and eye color.It can cause deafness in either one or both ears and is seen more in …
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