Sentences with phrase «gene combinations»

Yet, over time, humans have inherited and passed down new gene combinations that protect better against those diseases.

The one he does mention is that identical twins have the same gene combination.

However, the downside comes when the inevitable accumulation of mutations takes its toll, or changes to the environment make gene combinations less well suited than they had once been.

So great is the efficiency of the Mendelian mechanism of gene recombination that only a minuscule fraction of the potentially possible gene combinations can ever be realized.

The 18 - gene combination test would first be used in hospitals, Sweeney said.

«In the future, I would like to see improvements in the methods to identify hybrids, such as more precise techniques that could identify gene combinations unique to hybrids.»

This type of disease is labeled polygenic, meaning that it requires multiple gene combinations for expression.

The results of various gene combinations can be confusing: Some people can eat themselves into full - blown diabetes with nary a known gene to blame.

«It also is unknown what the ideal gene combinations are that should be delivered using this nanoparticle delivery system,» he says.

They compared a person's BDNF gene combination — CC, CT or TT — to factors that define obesity, such as body mass index (BMI) and percentage of body fat.

But despite the overall odds of optimal gene combinations winning out over time, for an individual rotifer — or generation of rotifers — the chances of a successful individual coming out ahead genetically are scant.

Since a single disorder might result from hundreds of different gene combinations, it's unlikely that researchers will find one drug that tackles all of them.

But because these viruses are more likely to meet in the lungs of an Asian chicken farmer than under the nose of a virologist, researchers find it difficult to predict which gene combinations might be the most virulent and contagious.

First - generation hybrids often have low viability and fertility, but repeated back - crossing with strong selection can sometimes eliminate deleterious gene combinations.

«Snails born with rare gene combinations would be harder to infect because the parasites have rarely, if ever, encountered those shuffled genetic combinations.»

You can't blame Max for not knowing, polygenetic traits were unknown at the time; but in selecting Klodo, he selected for some very undesirable gene combinations that favored joint problems like hip dysplasia and cruciate ligament ruptures.

University of Iowa evolutionary biologist Maurine Neiman and colleagues found sexual reproduction yields new gene combinations that help the snails fend off threats.

Even if most of the possible gene combinations are poorly viable, or inviable, a stupendous majority of the genetic potentialities of the living world have never appeared, and never will be realized and tried out by natural selection.

For each antibiotic, they identified gene combinations that enhanced the killing of target bacteria by 10,000 - to 1,000,000-fold.

His team plugged along, testing gene combinations in four cell types in varying degrees of differentiation, hopeful that this would eventually lead to the correct genetic recipe.

It appears that the synergistic effect of some multiple gene combinations, including Lr2BS, enhances leaf rust resistance.

Supposing that a species has only 1000 genes each in ten different allelic forms (both figures are overly conservative estimates), 101000 gene combinations are potentially possible.

Be it one, or a thousand gene combination, the reproductive advantage goes to the hetros

Nevertheless, gene combination and regulation is more relevant than gene presence in the time - scale of evolution.

«The new gene combinations can quickly give bacteria a new pathogenic niche.

Scientists suspect that some gene combinations may result in a particularly potent form of flu and ignite a pandemic in humans.

Like humans, the snails» best defense against the parasitic worm is to pass down gene combinations that are new to the parasite.

Viewed over generations, sexual reproduction can produce new gene combinations that are needed to deal with changing environments.

The registered records depict drug / gene combinations have been approved by any or both of the two regulatory agencies and are available to the public for data querying.

Seeing as genotype (the gene combination responsible for the colour) is often unknown, choices are generally made from phenotype (what the dog looks like) at the time of registration.

There are simply too many possible breeds and gene combinations.