"The gene pool is really protected best by variability along that dimension, " Cacioppo said.
You're trying to improve your gene pool, so you marry somebody who is superior to you.
It eliminates organisms from the gene pool by preventing them from finding a mate.
Only whites are bad if they do not eliminate themselves from the human gene pool.
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Or we may have mated them out of existence, swallowing them into our own expanding gene pool.
It allowed courting out of the home village to the great good benefit of the subsequent gene pool.
Hatcheries were tried once, with the result that a lot of ill-bred fish got into the gene pool.
The group's goal is to expand the global coffee crop's tiny gene pool.
For the last 15 years, as prices for young horses have risen, the thoroughbred gene pool has been shrinking.
They have taken on the task and it remains a monumental task of ensuring that the planet's gene pool remains healthily diverse.
Not that he has taken his eye off replenishing the gene pool.
Such diseases could not have a genetic cause, because genes that negatively impact reproduction would have disappeared from the gene pool by now.
First, the human population has expanded rapidly during that period, which increases the size of the gene pool in which mutations can occur.
Anthropologists think it could be important for the crew to be composed of a variety of nationalities to increase the size of the gene pool.
Sweden's environmental protection agency said the aim was to eliminate inbred wolves and improve the gene pool of the wild population, but conservationists dispute this.
Natural selection eliminates organisms from the gene pool by killing them.
It's possible that as the Kim gene pool gets shallower, the young Kim may not be able to maintain control the way his father and grandfather did.
In the far future, it may be possible to prevent genetic diseases from being inherited by cutting them out of the gene pool once and for all, so-called germline engineering.
Researchers believe the contamination passed not only into the soil and water, but also into the gene pool, with abnormal numbers of children since being born with genetic malformations.
By going on record in support of Democrat bills, they will be acting to remove themselves from the political gene pool while their more staunch colleagues remain in it.
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They are a special breed, and I think a lot of the horses in England and Wales started from these, these are the gene pool for thousands of different breeds.
Unlike human fishing techniques, which tend not to discriminate between sick and healthy specimens, sharks are selective: they target weakened prey, thereby keeping fish populations healthy and strengthening the gene pool.
If anything, the tendency towards smaller, more socially successful families tends to feed back on itself over the generations, and the contribution of the K-selected to the gene pool therefore shrinks.
This says that the winnowing of the gene pool, which drives evolution, can favour or destroy entire social groups as single entities, as well as working at the level of individual organisms.
"It's very significant to find a new clone variety because the tree's gene pool is very restricted and that is a disadvantage if they are threatened by disease as these are, " she said.
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Another concern, raised by lobby groups such as Greenpeace and the Union of Concerned Scientists, is that transgenic animals might escape into the wild and contaminate the gene pool, triggering all kinds of unintended consequences.
It would at least increase the potential gene pool for future Northern Ireland squads, in as much as it would apply not just to Cork and Dublin youngsters, but also to players with Cork or Dublin grannies.
So for the young men out there who are thinking about their futures -- the goal is to marry up and improve your gene pool. (Laughter.) And that's what I have done by marrying Michelle.
Now come two unconventional thinkers, a physicist in New Mexico and a biologist in Massachusetts, with an arresting question: If such diseases are indeed genetic, and if they impair reproductive success, why haven't the traits disappeared from the gene pool by now?
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