Sentences with phrase «gene pool by»

We have reduced the gene pool by systematically eliminating large segments of the potential genetic pool by spaying and neutering 80 % of dogs alive not based on their health but on our personal preference.
White Aussies are rare today because we have been slowly eliminating the «more white» forms of the white marking genes from our gene pool by not breeding Aussies with more than allowable white (though the preference for white trim on the show dogs does have some pushing the envelope.)
After the war, a few U.S. breeders slowly rebuilt the gene pool by importing German stock, and the breed began to increase in popularity again.
Perhaps the disease has been removed from the gene pool by careful selection, keeping only the most fertile stock.
Their position is that the silver gene probably became part of the breed's gene pool by crossbreeding Labrador Retrievers with Weimaraners.
When revived and breeding, they will enrich the ferret gene pool by increasing the number of founders of the current population from 7 to 9.
To ensure the reestablishment and proliferation of this magnificent beast in today's American society, Dr. King has taken an active role in widening the bison's gene pool by selecting only gold and silver champion bison to start the herd that became Carolina Bison.
Just as the Third Reich feared the tainting of the Aryan gene pool by inferior races (like the Jews), America was feeling threatened by the influx of «lower races» from southern and eastern Europe.
I wish more creationists would win Darwin awards, which are given to very stupid people who help the gene pool by their own death, thus eliminating their genes from the gene pool.
Go on, deny that it happened or find some way to pin the blame on my parents for moving to Britain or me for polluting the gene pool by marrying an Englishman.»

Not exact matches

People of every nation, color, language, belief, and condition are now known to possess in their body cells trait factors drawn by an inconceivably complex sequence of intercombinations from a common «gene pool
``... when there is a systematic increase or decrease in the frequency with which we see a particular gene in a gene pool, that is precisely what we mean by evolution.»
You see evolution is defined as «change in the gene pool of a population from generation to generation by such processes as mutation, natural selection, and genetic drift.»
If the believers only appreciated Darwin they would be at least consoled by the fact that gay behavior is genetically self - selecting out of the gene pool.
Now, since the persons fears were allayed inappropriately, they were eaten by the tiger and that mutation doesn't survive in the gene pool
Now, since the persons fears were allayed inappropriately, they were eaten by the tiger and that mutation does nt survive in the gene pool.
The richness of the African gene pool is demonstrated by decoding DNA from the anti-apartheid activist and several Bushmen hunter - gatherers
«Our recovery could be stalled, at best, by failing to be able to insert a more diverse gene pool into the existing wild population.»
Hard to say: The Balinese dogs don't seem to have especially ancient DNA sequences, and dingoes and pariah dogs have had their gene pools watered down by interbreeding.
And although the rest of Genghis Khan's genome has certainly, if Zerjal and Tyler - Smith are right, made an outsize contribution to the Central Asian gene pool, it has been chopped to bits and mixed in so thoroughly over the centuries by genetic recombination that no one today is likely to have his whole suite of genes for any particular trait.
In March a team of biologists led by Stan Boutin of the University of Alberta reported a shift in the gene pool of North American red squirrels, one that can be placed squarely at the door of higher temperatures.
He brought a fresh infusion of genes that so dominated the Isle Royale wolves» weakened gene pool that, by 2008, most of the wolves on the island were descended from the Old Gray Guy.
«Our studies clearly show that widespread species have a much more diverse intraspecific gene pool than species that are adapted to a specific habitat,» explains Dr. Jan Christian Habel of the Technical University in Munich, and he continues, «Once these animals — due to the fragmentation of their habitats — lose the opportunity to maintain this genetic diversity by means of exchange, they will no longer be able to adapt to changing environmental conditions in the future.»
He went on to describe the $ 215 million initiative, which includes new support for cancer genomics and molecularly targeted drug trials at the National Cancer Institute (NCI), and a plan to study links among genes, health, and environment in 1 million Americans by pooling participants in existing cohort studies.
This hypothesis suggests that high local genetic diversity can exist by drawing variation from a common and relatively limited global gene pool.
Scientists have «genetically rescued» such populations in captivity by introducing outsiders to freshen up the gene pool.
Advances in tissue culture, molecular markers, and genomics offer new potential to broaden the gene pool of rice by tapping the genetic variability hidden in the wild species and further enhance the efficiency of alien gene introgression.
Overview: By Western blotting (Figure 2, pool), I knew the cells expressed Cas9, but I didn't know what level of expression was the most efficient for gene editing.
We next tested the efficiency of Cas9 / gRNAs disrupting four genes simultaneously by co-transfecting pooled Cas9 / gRNAs targeting MSTN, BLG, PrP and NUP genes.
This finding supports a European contribution to the Mexican gene pool primarily by male settlers and confirms the effectiveness of employing the uniparentally - transmitted mtDNA as a tool to reconstruct a countryâ $ ™ s history.â $ Read more hereâ $ ¦
But an accompanying editorial warns it «promises to raise the stakes» over animal rights by - «intentionally introducing a harmful gene into the primate gene pool
For instance, imagine if the genetic variants mentioned earlier, responsible for encouraging the development of larger brains, were identified by geneticists as potentially harmful mutations and promptly eliminated from the gene pool.
When Tunstall is killed by Murphy's (Jack Palance) men in a kind of frontier - style hostile takeover (Fusco, recognizing the difficulty of condensing the politics of the Santa Fe Ring for Young Guns» demographic, counts on Palance's black hat and beady stare to do his adversarial bidding), Billy becomes the de facto leader of the now - deputized Regulators (best shot, loudest mouth), leaving Sheen to pretend that his and Estevez's characters are not obviously from the same gene pool, Sutherland to romantic pursuits, Phillips to blur ethnic lines per usual as a Mexican Navajo, Mulroney to twitch, and Siemaszko to also twitch.
The Darwin Award is an annual tongue - in - cheek honor recognizing individuals who've contributed to human evolution by removing themselves from the gene pool — doing something stupid enough to kill themselves.
However, the dated «Karman Ghia» gene pool has long since been overpowered by VW's new tech savvy genes, resulting in some of the best built sports cars in the world.
By the end of the WW II, very few quality British Shorthairs survived and those who did were usually too closely related to form a strong gene pool.
The impressive / shameful statistics were gathered by Jemima Harrison, who prepared the BBC documentary Pedigree Dogs Exposed, and who says — though we joke somewhat about Yogi» s rampant sex life — they should raise serious concerns about his growing gene pool dominance.
David Alderton decodes your dog's heritage by «unwinding» the twisted gene pool of cross breeding to identify just which pure bred dogs appear in the «mutt».
It actually makes them HEALTHIER not to be bred)- blah blah blah A GOOD breeder breeds a specific dog because they LOVE the breed and want to better it by ruling out any negative genes in the pool.
The selection of certain traits is achieved only by generations of careful breeding, discarding dogs that don't have the desired qualities and narrowing the gene pool until the right combinations occur with regularity.
The very well done presentation by Standard Poodle Fancier, Natalie Green Tessier, shows how important it is to hold onto known rare genes and to locate any more that we can fold further into the gene pool.
This divides the gene pool in half, and creates a greater problem by producing more and more inter-related dogs!
The support and understanding of these breedings will be and are appreciated by all Standard Poodle fancy members working diligently for the benefit of the gene pool.
Because of the overall bleak genetic situation in which some researchers consider the Std Pdl gene pool to be like half siblings, others stating equivalent to full siblings and even Dr. Pedersen mentioned «clone - like genetics,» other varieties have been brought in to assist in opening the gene pool for the Standards per recommendations given by researchers over 15 years ago and with each universities» investigation.
Jack Russells are apparently even more problematic for the markers because they aren't recognized by the AKC, the breed markers are less precise than other breeds which have more consistent gene pools.
While aviculturists argue that captive breeding will conserve parrot species by preserving the gene pool, the reality is quite the opposite.
You don't want to diminish breed diversity by eliminating quality dogs from the gene pool because they are carriers.
This is a genetic weakness, believed to be caused by the relatively small gene pool that was necessary to breed for specific characteristics (both physical and mental).
there is a documentary released by bbc» pedigree dogs exposed» it talks extensively of the over angulation of the modern day show german shepherd and international vets proclaimin that the over angulated hind and slopy posture is actually a hindrance in the natural movement of a four footed animal... the documentary has shown the movement of gsd in speciality championship show in probly canada and have claimed that the movement is altered from naturality and selective breeding solely due to cosmetic reason has led to the actual decline of the gene pool... and made the breed vulnerable to many ailments and health problems...
The Coton de Tulear is a rare breed with amazing qualities and a healthy gene pool not yet spoiled by poor breeding practices and over breeding.
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