In artificial selection, one species is bred selectively at each generation, allowing only those organisms that exhibit desired characteristics to reproduce.

Humans selectively bred them to enhance specific characteristics, such as color and length or body size.

A horse breed is a selectively bred population of domesticated horses, often with pedigrees recorded in a breed registry.

Horses have been selectively bred since their domestication.

Farmed stocks are often selectively bred to increase disease and parasite resistance, as well as improving growth rates and quality of products.

Marijuana consists of the dried flowers of Cannabis plants selectively bred to produce high levels of THC and other psychoactive cannabinoids.

Melanistic leopards are the most common form of black panther in captivity and they have been selectively bred for decades in the zoo and exotic pet trades.

The domestic pet known as the " Belgian hare " is a rabbit that has been selectively bred to resemble a hare.

Some selectively bred cultivars have seedless fruit.

Cabbage has been selectively bred for head weight and morphological characteristics, frost hardiness, fast growth and storage ability.

Some species are kept as pets, and several color mutations were selectively bred in aviculture.

Using genetically engineered wheat species, or wheat species that have been selectively bred to be minimally immunogenic, may allow the consumption of wheat.

Some have been selectively bred for their fighting prowess.

" Canna achira " is a generic term used in South America to describe the cannas that have been selectively bred for agricultural purposes, normally derived from C. discolor.

However, these worms, not being selectively bred as such, are possibly inferior in silk production and may exhibit other undesirable traits.

Plant enthusiasts have selectively bred azaleas for hundreds of years.

Washington selectively bred sheep and grew various types of crops on the plantation, including flax, hemp, cotton and silk: in 1794 he wrote to the gardener at Mount Vernon advising " ake the most you can of the Indian Hemp seed and sow it everywhere ".

Some breeds of pig commonly used in intensive farming have been selectively bred to suit intensive conditions.

Over time, Peruvian breeders kept the bloodlines clean and selectively bred primarily for gait, conformation, and temperament.

Typically, strains that are selectively bred are domesticated, and the breeding is sometimes done by a professional breeder.

Researchers at the USDA have selectively bred carrots with a variety of colors.

Growth was seen to increase by 12 – 20 % in selectively bred Iictalurus punctatus ( Bondari, 1983 ).

( 2003 ) selectively bred the eastern oyster, Crassostrea virginica, for resistance against co-occurring parasites Haplosporidium nelson ( MSX ) and Perkinsus marinus ( Dermo ).

Dual disease resistance in a selectively bred eastern oyster, Crassostrea virginica, strain tested in Chesapeake Bay.

The homing pigeon is a variety of domestic pigeon derived from the Rock Pigeon ( Columba livia domestica ) selectively bred to find its way home over extremely long distances.

* Reverse Okeetee ( selectively bred amelanistic ) an amelanistic Okeetee corn snake which has the normal black rings around the saddle marks replaced with wide white rings.

* Fluorescent orange ( selectively bred amelanistic ) develop white borders around bright red saddle marks as adults on an orange background.

* Sunglow ( selectively bred amelanistic ) another designer amelanistic corn that lacks the usual white speckling that often appears in most albinos, and selected for exceptionally bright ground color.

These discoveries drew biologists ' attention to the fact that genes can be selectively turned on and off, rather than being always active, and that highly disparate organisms ( for example, fruit flies and human beings ) may use the same genes for embryogenesis ( e. g., the genes of the " developmental-genetic toolkit ", see below ), just regulating them differently.

These devices consisted of glass disks ( one per font ) that spun in front of a light source which selectively exposed characters onto light-sensitive paper.

These pigments selectively absorb parts of the visible light spectrum that makes up white light while permitting other wavelengths to reach the eye of the observer.

These channels are tightly regulated and selectively allow molecules of specific sizes to pass between cells.

These materials have the ability to remove metal ions selectively from aqueous media.

These may selectively replicate viral DNA through a variety of mechanisms.

These may selectively replicate viral DNA through a variety of mechanisms.

These multiple forms ( isoforms or subtypes ) of phosphodiesterase were isolated from rat brain using polyacrylamide gel electrophoresis in the early 1970s and were soon afterward shown to be selectively inhibited by a variety of drugs in brain and other tissues.

These molecules are selectively transported anterogradely ( from soma to axon terminals ) or retrogradely ( from axon terminals to soma ), thus providing evidence of primary and collateral connections in the brain.

These two compounds selectively block the endocytic ligand association with the clathrin terminal domain.

These albums prompted him to selectively tour and perform concerts around the world.

These components complete tasks that involve selectively choosing information from irrelevant information.

These components can also be used to selectively combine the various pieces of information they have gathered.

These proteins exert their biological effects by interacting with G protein-linked transmembrane receptors called chemokine receptors, that are selectively found on the surfaces of their target cells.

These subtypes are no longer recognized, though " speech phobia " is sometimes used to describe a selectively mute person who appears not to have any symptoms of social anxiety.

These layers are selectively etched by photolithography and either a wet etch involving an acid or a dry etch involving an ionized gas, or plasma.

These skills are increasingly important as statistical data are used selectively by manufacturers to promote products.

These modifications create a new level of control and can facilitate photocrosslinking to probe protein-protein interactions .< ref name =" pmid12404640 "> Additionally, keto, acetylene, azide, thioester, boronate and dehydroalanine containing amino acids can be used to selectively introduce tags, and novel chemical functional groups into proteins.

These computational approaches could also be used to redesign proteins to selectively bind specific target molecules.

These cells communicate with endothelial cells via gap junctions and in turn cause endothelial cells to proliferate or be selectively inhibited.

These worms ingest sediments, selectively digest bacteria, and absorb molecules through their body walls.

These noble houses selectively bred horses that could withstand extreme temperatures and minimal rations, carry a man with weapons and armor for long periods in rough terrain, and still be swift and nimble.

These also selectively reduce the cystine bonds, but are much weaker and work more slowly.

These traditions represented a confident and flexible Islamic understanding which, the Farangi Mahallis felt, had the capacity to preserve Islam even while selectively adopting social, cultural and technological changes from the West.