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Can a ridgeback be born without a ridge?

Can a ridgeback be born without a ridge?

Ridgebacks should be born with their quirky ridge of backwards hair. Some puppies are born without the ridge, but it is a disqualifying fault according to the American Kennel Club. The lack of ridge is the result of a genetic flaw that is spread through poor breeding practices.

Why do Rhodesian Ridgebacks have a ridge on their back?

The ridge of Rhodesian Ridgebacks is caused by a mutation resulting in duplication of a length of DNA coding for three growth factor genes. This mutation, which has an autosomal dominant pattern of inheritance also causes dermoid sinuses.

Are Rhodesian Ridgebacks affectionate?

The Rhodesian Ridgeback has a delightful nature, making it a faithful one-man or family dog. It is very affectionate and likes to lean on you, lie at your feet or sit on your lap if permitted. It is extremely loyal to those it loves.

Are ridgebacks good family dogs?

Rhodesian ridgebacks are extremely tolerant dogs and excellent companions. Ridgebacks are protective of children and other household members. These are excellent natural watchdogs and family protectors, but they do need to know that the caregiver is in charge.

What makes a Rhodesian Ridgeback a ridgeback dog?

The hallmark of this breed is the ridge on the back which is formed by the hair growing in the opposite direction to the rest of the coat. The ridge must be regarded as the characteristic feature of the breed. The ridge should be clearly defined, tapering and symmetrical.

Can a ridgeback dog be a ridgeless dog?

If your Ridgeback has ever produced ridgeless puppies, he or she is heterozygous, as is the dog he or she was bred to. If your dog has never produced ridgeless, that does not necessarily mean he or she is homozygous.

What kind of disease does a Ridgeback have?

(In both those cases, homozygous offspring are born dead.) Ridgeback breeders and researchers have long known that there is a relationship between the presence of the ridge (or some element of it) and dermoid sinus, a congenital defect that is found in the world’s two ridged breeds — Rhodesian and Thai ridgebacks.

Can a homozygous Ridgeback have a ridge?

When a homozygous Ridgeback is bred to a heterozygous Ridgeback, all the puppies will have ridges, but genetically they can be different.