The effects of the silver dilution gene can vary greatly. Dilution by the silver gene on a horse with a uniform black base typically involves lightening of the mane and tail and a dilution of the body to a chocolate colour, often dappled as well. A Bay horse carrying the Silver gene will usually have a lightened mane and tail, as well as lightened lower legs. It is important to know that although a red horse will not be diluted by the silver gene, it can be a carrier of the gene and thus potentially pass the gene on to its offspring.