constant fitness

USAGE SUMMARY

The phrase "constant fitness" is correct and usable in written English.
It can be used in contexts related to health, exercise, or maintaining a consistent level of physical condition. Example: "To achieve optimal performance, athletes must focus on constant fitness through regular training and proper nutrition."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

42 human-written examples

A traditional picture of evolutionary dynamics with constant fitness is that of genomes living in sequence space and adapting on fitness landscapes.

Journal of Theoretical Biology

The steady state solution applies to any constant fitness landscape under a dynamic of successive fixations, each of which occurs on the background of the population's most recent common ancestor.

Theoretical Population Biology

In the present work the fitness landscape is not assumed to be spherically symmetric, hence different points, i.e. phenotypes, on a surface of constant fitness generally have different curvatures.

Theoretical Population Biology

While much experimental effort is being devoted to the identification of the functional effects of individual mutations, mathematical modeling of tumor progression generally considers constant fitness increments as mutations are accumulated.

Duke University

The present work builds on methods previously published concerning both tumor evolution at constant fitness [15] and negative clonal selection in the absence of tumor evolution [17].

Plosone

Firstly, mutator mechanisms predominate in most instances, although the value of α50% increases slightly compared to the constant fitness case (Supplementary Table S1 and Figure 2).

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

18 human-written examples

The selection coefficient associated with this pair of alleles is s = 1 - w1/w2, where w1 and w2 are constant fitnesses conferred by the two alleles (w1 < w2).

Biology Direct

We used our estimated fitness values to plug into a constant-fitness viability model [73] and assuming non-overlapping generations [49] <img src="http://journals.plos.org/plosone/article/asset?id=info?doi/10.1371/journal.pone.0005529.e011.PNG" class= inline-graphic"/> for predicting allele and genotypic frequency changes at Pan I.

Plosone

The results are shown in Table 2, where "Che" stands for the Cheeger constant (conductance) fitness function; "NCut" stands for the normalized cut fitness function; "IRD" stands for the inverse relative density; the ending letter "G" stands for the greedy search method; and the ending letter "S" stands for the simulated annealing method.

Journal of Big Data

C ← L was assumed to have a constant intrinsic fitness advantage over R → A ← L at all lysine concentrations, as modeled by a higher maximum uptake rate (v m, C > v m, R in 'The diffusion model' in 'Materials and methods').

eLife

Furthermore, each interaction can be modelled only with respect to a few parameters, such as temperature, pH levels, kinetic constants, evolutionary fitness and so on.

EMBO Reports

Expert writing Tips

Best practice

When discussing evolutionary biology or tumor progression, use "constant fitness" to denote scenarios where the selective advantage conferred by a genotype or phenotype remains stable over time. This is particularly relevant in theoretical models and simulations.

Common error

Avoid assuming that "constant fitness" implies a state of optimal or unchanging perfection. Instead, understand it as a baseline or reference point in models where fitness doesn't significantly fluctuate, even if not at its peak.

Linguistic Context

The phrase "constant fitness" primarily functions as a noun phrase, often serving as a subject or object within a sentence. It defines a specific condition or parameter in scientific models, especially in evolutionary biology and tumor progression. As Ludwig AI indicates, it is a standard term in relevant academic contexts.

Expression frequency: Uncommon

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

In summary, "constant fitness" is a noun phrase primarily utilized within scientific literature, particularly in the fields of evolutionary biology and tumor progression. It describes a scenario in which the selective advantage of a trait remains stable. Ludwig AI confirms that the phrase is grammatically correct and frequently appears in the scientific domain. Alternatives such as "stable fitness level" or "consistent fitness" can be employed depending on the desired nuance. The phrase's technical nature necessitates careful usage to avoid misinterpretations, and its primary function is to serve as a defined parameter within theoretical models.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

stable fitness level

Replaces "constant" with "stable", emphasizing the lack of significant fluctuation in fitness.

consistent fitness

Uses "consistent" as a synonym for "constant", maintaining the core meaning of unchanging fitness.

unchanging fitness

Emphasizes the lack of change in fitness over time.

fixed fitness

Highlights the idea that fitness is not variable or adaptable.

static fitness

Similar to "fixed fitness", suggesting a non-dynamic state of fitness.

steady fitness

Indicates a fitness level that remains relatively stable and without major fluctuations.

uniform fitness

Suggests that fitness is evenly distributed or consistent across a population or context.

sustained fitness

Emphasizes that fitness is maintained over a prolonged period.

maintained fitness

Highlights the active preservation of a specific level of fitness.

level fitness

Indicates a flat or even fitness landscape or condition.

FAQs

How is "constant fitness" used in evolutionary biology?

In evolutionary biology, "constant fitness" is often used in theoretical models to describe scenarios where the selective advantage conferred by a particular trait or genotype remains stable over time. This provides a simplified framework for understanding more complex evolutionary dynamics.

What does "constant fitness" imply in the context of tumor evolution?

In the context of tumor evolution, "constant fitness" might refer to a model where the accumulation of mutations is assumed to provide consistent, unchanging benefits to the tumor's growth or survival. This contrasts with models where each mutation might have varying or conditional impacts on fitness.

What are some alternatives to the phrase "constant fitness"?

You can use alternatives like "stable fitness level", "consistent fitness", or "unchanging fitness" depending on the specific nuance you wish to convey.

How does assuming "constant fitness" simplify evolutionary models?

Assuming "constant fitness" simplifies evolutionary models by eliminating the need to account for fluctuations in selective pressures or complex interactions between genotypes and environments. This allows researchers to focus on other factors, such as mutation rates or population sizes.