Epistasis + stasis = to sit on top " is an interaction between genotypes at two different gene loci, which sometimes resembles a dominance interaction between two different alleles at a single locus.

Epistasis can be contrasted with dominance, which is an interaction between alleles at the same gene locus.

Epistasis occurs when the expression of one gene is modified by another gene.

Epistasis refers to the fact that effects for two different gene knockouts may not be additive ; that is, the phenotype that results when two genes are inhibited may be different from the sum of the effects of single knockouts.

:* Epistasis with other loci ( e. g., overdominance )

Epistasis modifies the characteristic 9: 3: 3: 1 ratio expected for two non-epistatic genes.

Epistasis and genetic interaction refer to different aspects of the same phenomenon.

* Epistasis: when the alleles at one locus change the phenotypic effects of genetic variation at another locus, the two genes are said to exhibit ' epistasis ' in their interactions.

For one thing, this is not a subject often discussed or analyzed.

But more important, and the thing which the casual traveler and the blind sojourner often do not see, is that these places and activities are often the settings in which Persians exercise their extraordinary aesthetic sensibilities.

Yet within this limitation there is an astonishing variety: design as intricate as that in the carpet or miniature, with the melodic line like the painted or woven line often flowing into an arabesque.

Yet often fear persists because, even with the most rigid ritual, one is never quite free from the uneasy feeling that one might make some mistake or that in every previous execution one had been unaware of the really decisive act.

`` Most often '', she says, `` it's the monogamous relationship that is dishonest ''.

If many of the characters in contemporary novels appear to be the bloodless relations of characters in a case history it is because the novelist is often forgetful today that those things that we call character manifest themselves in surface behavior, that the ego is still the executive agency of personality, and that all we know of personality must be discerned through the ego.

It is often stated that Copernican astronomy is ' simpler ' than Ptolemaic.

1543 A.D. is often venerated as the birthday of the scientific revolution.

But when these expectations are once too often ground into the dust, innocence can falter, since its strength is according to the strength of him who possesses it.

Next I refer to our program in space exploration, which is often mistakenly supposed to be an integral part of defense research and development.

The relatively long and often colorful selections in this anthology enable the reader to become genuinely absorbed in what is said, whether he responds with anger or applause.

The continuities, contrasts, and similarities discernible when past and present are surveyed together are inexhaustible and the one is often understood through the other.

It is true that this distinction between style and idea often approaches the arbitrary since in the end we must admit that style and content frequently influence or interpenetrate one another and sometimes appear as expressions of the same insight.

The volume is a piece of passionate special pleading, written with the heat -- and often with the wisdom, it must be said -- of a Liberal damning the shortsightedness of politicians from 1782 to 1832.

That he read some of the books assigned to him with a studied carefulness is evident from his notes, which are often so full that they provide an unquestionable basis for the identification of reviews that were printed without his signature.

The religious quest is often intense and deep, and there are students on every campus who are seriously wrestling with the most profound questions of meaning and value.

His neighbors celebrated his return, even if it was only temporary, and Morgan was especially gratified by the quaint expression of an elderly friend, Isaac Lane, who told him, `` A man that has so often left all that is dear to him, as thou hast, to serve thy country, must create a sympathetic feeling in every patriotic heart ''.

Without a precise knowledge of Germanic philology, however, it is debatable whether their use was not more often a source of confusion and error than anything else.

Youth may be, and often is, skeptical, cynical or despairing ; ;

Although Patchen has given previous evidence of an interest in jazz, the musical group that he works with, the Chamber Jazz Sextet, is often ignored by jazz critics.

He is forced to play for little money, and must often take another job to live.

but there is a leavening of liberalism among college graduates throughout the South, especially among those who studied in the North.

It is my studied conviction that no nation will ever risk general war against us unless we should become so foolish as to neglect the defense forces we now so powerfully support.

That picture of the American prairie is as indelibly fixed in the memory of those who have studied the conquest of the American continent as any later cinema image of the West made in live-oak canyons near Hollywood.

She has studied and observed and she is convinced that her young man is going to be endlessly enchanting.

If the site is on a reservoir, the level of the water at various seasons as it affects recreation should be studied.

Equivalents could be assigned to the paradigm either at the time it is added to the dictionary or after the word has been studied in context.

Furthermore, the hydrolysis of paraoxon was studied in mammalian sera, and it was found that it is hydrolyzed by albumin ( or a factor attached to it ) in addition to arylesterase.

As a result no comparable literature of the period is better known and better studied nor more often performed than the English madrigal.

The care of offspring among amphibians has been little studied but in general, the larger the number of eggs in a batch, the less likely it is that any degree of parental care takes place.

The axiom of choice has also been thoroughly studied in the context of constructive mathematics, where non-classical logic is employed.

Astatine is the least reactive of the halogens, being less reactive than iodine ; however, multiple compounds of astatine have been synthesized in microscopic amounts and studied as intensively as possible before their inevitable radioactive disintegration.

In They Do It With Mirrors ( 1952 ), it is mentioned that Miss Marple grew up in a cathedral close, and that she studied at an Italian finishing school with Americans Ruth Van Rydock and Caroline " Carrie " Louise Serrocold.

* Another group is the School of the Military that studied strategy and the philosophy of war ; Sunzi and Sun Bin were influential leaders.

Anaxarchus is said to have studied under Diogenes of Smyrna, who in turn studied under Metrodorus of Chios, who used to declare that he knew nothing, not even the fact that he knew nothing.

Though Rudolf Steiner studied natural science at the Vienna Technical University at the undergraduate level, his doctorate was in epistemology and very little of his work is directly concerned with the empirical sciences.

Others have argued that astronomy is an inaccurate term, what are being studied are cosmologies and people who object to the use of logos have suggested adopting the Spanish cosmovisión.

where a is either or depending on the case being studied.

As oxidative stress appears to be an important part of many human diseases, the use of antioxidants in pharmacology is intensively studied, particularly as treatments for stroke and neurodegenerative diseases.

Although Bede is mainly studied as a historian now, in his time his works on grammar, chronology, and biblical studies were as important as his historical and hagiographical works.

The interaction between bone and muscle is studied in biomechanics.

This reaction was studied for the first time in 2008 by the team at RIKEN, Japan, in order to study the decay properties of < sup > 266 </ sup > Bh, which is a decay product in their claimed decay chains of ununtrium .< ref > The decay of < sup > 266 </ sup > Bh by the emission of 9. 05-9. 23 MeV alpha particles was further confirmed in 2010.

The lycée André-Honnorat de Barcelonnette, originally the collège Saint-Maurice and renamed after the politician André Honnorat in 1919, is located in the town ; Pierre-Gilles de Gennes and Carole Merle both studied there.