Two copies of the "val" gene makes powerful COMT that mops up the chemicals rapidly.
Both drugs are being tested in patients who have two copies of a genetic mutation called F508del.
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The Library of Congress said last month it was aware of only two copies of the photo.
We don't want you to get two copies of your e-mail if both applications stay up and running.
Those with two copies of the commonest form of the gene (one copy inherited from each parent) smoked most.
Because everyone has two copies of each gene -- one from each parent -- there are six possible combinations.
WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live
The book comes from the collection of the Old South Church in Boston which has two copies of the edition.
But everyone gets two copies of the gene--one from each parent--and even a single M scuttles any hope for a magical career.
One in ten people has two copies of this gene and is at double the risk of diabetes compared with the average person.
What fascinates scientists are people with one or -- more rarely -- two copies of the E-4 and E-2 versions of the gene.
WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live
But two copies of the "met" form produce a weaker version of COMT that is not so good at clearing away the chemicals.
The study found that volunteers with two copies of the "val" gene were better able to break down dopamine and suffered less pain.
Roughly 1 in 45 healthy Americans are carriers of the recessive trait, meaning they are missing one of the normal two copies of the gene.
To be affected by the disease, however, puppies have to inherit two copies of the bad gene, one from their father and one from their mother.
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Everybody has two copies of each gene, and there are two possible versions which people can carry, so they can either be classed as ll, ls or ss.
But if a patient has two copies of apo E-4, the odds that the dementia is due to Alzheimer's jumps to 94% from 66%, the Duke scientists say.
WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live
Zannis, first discovered 17 years ago that there were three versions of apo E, they found that most people afflicted with a rare type of artery-clogging atherosclerosis had two copies of apo E-2.
WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live
Why buy two copies of the same product?
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There is no scope for plots in which two copies of Kirk roam the universe until they meet in a dreadful epiphany: in quantum teleportation, the original copy of Kirk is destroyed by the very process of being entangled with the transporter.
What really shook up the world's neurologists, though, was the Duke team's finding that people born with two copies of the E-4 version of apo E developed Alzheimer's symptoms an average of 20 years earlier in life than those born with an E-2 version.
WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live
Those springing for the top end Ultimate edition will also be getting a bit of break from Microsoft, with the company revealing plans for a promotion that'll let you grab two copies of the Home Premium edition to go along with it for fifty bucks apiece.
At least Tom's flogged a few records for a change - two million copies of Reload, in fact.
Fetuses with Down syndrome have three, rather than two, copies of chromosome 21.
The worst form, caused by having two bad copies of a particular cholesterol gene, afflicts only a few hundred people.
Children born with two faulty copies of the gene develop the disease, which destroys the nervous system, and usually die by the age of five.
Previous estimates said there were only 400 HoFH patients in the U.S. but included only those people confirmed to have two defective copies of the LDL receptor gene.
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Translation: I had inherited two bad copies of the genetic misfire, so my risk of an early heart attack--a myocardial infarction--is 70% greater than for the general population.
This is possible because virtualization makes cloning software very easy, and Networked Attached Storage devices have extremely sophisticated ways of making virtual copies of large amounts of data and then tracking the changes between the two copies, which saves massive amounts of storage.
To avoid running into problems at the consulate, we recommend making two or three copies of each of your documents.
And it sold 5, 300, 000 copies in two days of life and it remained a bestseller for six months.
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