Search results
Results from the WOW.Com Content Network
A hereditary carrier (genetic carrier or just carrier), is a person or other organism that has inherited a recessive allele for a genetic trait or mutation but usually does not display that trait or show symptoms of the disease. Carriers are, however, able to pass the allele onto their offspring, who may then express the genetic trait.
An asymptomatic carrier is a person or other organism that has become infected with a pathogen, but shows no signs or symptoms. [ 1 ] Although unaffected by the pathogen, carriers can transmit it to others or develop symptoms in later stages of the disease.
Carrier testing is a type of genetic testing that is used to determine if a person is a carrier for specific autosomal recessive diseases. [1] This kind of testing is used most often by couples who are considering becoming pregnant to determine the risks of their child inheriting one of these genetic disorders.
A common carrier in common law countries (corresponding to a public carrier in some civil law systems, [1] usually called simply a carrier) [2] is a person or company that transports goods or people for any person or company and is responsible for any possible loss of the goods during transport.
[3] [4] A carrier is an entity that transports goods for a fee, [5] and may use a variety of shipping modes, including ships, airplanes, trucks, and railroads, including multiple modes for a single shipment. For example, the freight forwarder may arrange to have cargo moved from a plant to an airport by truck, flown to the destination city and ...
19th-century English postman . A mail carrier, also referred to as a mailman, mailwoman, mailperson, postal carrier, postman, postwoman, postperson, person of post, [1] letter carrier (in American English), or colloquially postie (in Australia, [2] Canada, [3] New Zealand, [4] and the United Kingdom [5]), is an employee of a post office or postal service who delivers mail and parcel post to ...
A porter, also called a bearer, is a person who carries objects or cargo for others. The range of services conducted by porters is extensive, from shuttling luggage aboard a train (a railroad porter ) to bearing heavy burdens at altitude in inclement weather on multi-month mountaineering expeditions.
Disease carrier could refer to: Asymptomatic carrier , a person or organism infected with an infectious disease agent, but displays no symptoms Genetic carrier , a person or organism that has inherited a genetic trait or mutation, but displays no symptoms