The L locus affects the length of the hair coat of dogs due to a DNA variant in the FGF5 gene.
The variant causes that a hair growth in the follicle is not stopped, so dogs develop longer hair. Long hair is inherited autosomal recessively – dogs with long hair must inherit this variant on both alleles of the gene.
Gene and tested mutations/variants
FGF5, c.284G>A
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German Shepherd
The German Shepherd is a large, agile, muscular dog of noble character and high intelligence. The German Shepherd is a real pleasure for every dog lover. Its defining attribute is character: Loyalty, courage, self-confidence, ability to learn commands for many tasks, and willingness to put his life on the line to defend his loved ones. German Shepherds are gentle family dogs but steadfast guardians.
