Sentences with phrase «only carriers of the disease»

Wildlife species are the only carriers of the disease, with occasional cases affecting domestic animal and human populations

Not exact matches

Elegant, dainty, and deadly, it is the most common of all blood - sucking arthropods and the most important insect carrier of human disease, transmitting not only malaria but also yellow fever, dengue, West Nile virus, encephalitis, and the tiny worms that cause elephantiasis.

The research suggests that cognitive abnormalities are fundamental in schizophrenia, yet outward signs of the disease only manifest in a subset of carriers of the mutations.

This technique has been around for decades but only now, and in the United Kingdom, has it been approved for couples who are both high - risk carriers of a mitochondrial disease that they might otherwise pass onto their children.

An individual may still be a carrier of (or affected with) a disease if no variants or only one variant is found in the relevant gene.

Cats infected with feline herpes virus (FHV) become life - long carriers of the disease, but are only infectious intermittently.

While the diagnosis of retinal degeneration is made by ophthalmoscopy and / or electroretinography, genetic testing for PRA can be useful for breeders to identify not only affected animals, but those that are genetic carriers for the disease.

Carriers of only one copy of the mutation will not develop the disease.

In these breeds, if a dog has inherited the gene responsible for PRA from only one parent, it will not develop the disease but will be a carrier of the trait — meaning that if bred, it can pass that gene on to its offspring.

Depending on where you live, fleas and ticks are not only a nuisance, they can be carriers of dangerous diseases for both you and your pet.

A clinical ophthalmologic exam will only tell the clinical status of that individual dog on the day of the exam — it can not tell if the dog will develop a problem in the future, and it can not tell if a dog is an asymptomatic carrier of an inherited eye disease.

Some very bad diseases in dogs are expressed only when a sire that has a recessive gene is mated with a dame that also is a carrier or when a dam is a carrier of an X-linked recessive gene.

Since the disease is recessive it only happens when two carriers are bred and then only to roughly a fourth of the offspring.

If the disease is uncommon, as with the progressive rod - cone degeneration (PRCD) form of Progressive Retinal Atrophy in Australian Shepherds, or if use of a test and careful breeding decisions have markedly reduced the frequency of a formerly common mutation (think what could be done with CEA in Collies,) testing could then be confined to only those dogs with known family history of the disease or with relatives that have been DNA tested as carriers.

Not only are they uncomfortable for your pet, fleas are also carriers of disease.

Fast - acting, long - lasting Vectra 3D ® controls six dangerous vectors (carriers) of disease, while Comfortis only kills adult fleas.

The flea is second only to mosquitoes when it comes to being the worst carrier of infectious diseases.

The newest generation of vaccines includes recombinant vaccines that use only small fragments of the disease agent, which are inserted into a harmless carrier virus.

Individuals that carry only one copy of the disease gene don't have the condition, and are carriers of the disease.