Humans find bilateral symmetry in faces physically attractive; it indicates health and genetic fitness. Opposed to this is the ...
"DNAFit - Genetic Information for Fitness & Nutrition". DNA-based diet and fitness - DNA Tests - DNAFit. Retrieved 2016-02-23. " ... "DNAFit - Genetic Information for Fitness & Nutrition (US)". Dnafit.com. Retrieved 24 December 2017. "Fast Company announces ... "DNAFit - Genetic Information for Fitness & Nutrition (US)". Dnafit.com. Retrieved 24 December 2017. Jones, Nicholas; Kiely, ... "UK genetic testing company DNAFit launches Elevate to match workout, diet with genetic profile". Mobihealthnews.com. 2 December ...
Polyandry could also pose genetic fitness consequences. Polyandry does not always result in the spread of the most adaptive ... Boake, Christine R. B. (1985-03-01). "Genetic Consequences of Mate Choice: A Quantitative Genetic Method for Testing Sexual ... Price, T.A.R.; Hodgson, D.J.; Lewis, Z.; Hurst, G.D.D.; Wedell, N. (2008). "Selfish Genetic Elements Promote Polyandry in a Fly ... Polyandry, in general, may have a few fitness consequences. Densely populated areas may have lower rates of polyandry due to ...
Human sociobiologists try to understand how maximizing genetic fitness, in either the modern era or past environments, can ... Boyd, R.; Richerson, P. (1983). "The cultural transmission of acquired variation: effects on genetic fitness". Journal of ... some sociobiologists try to determine how the trait actually increases genetic fitness (maybe through kin selection or by ... in genetic evolution that it is not evolution. However, 1) even genetic evolution uses non-vertical transmission through the ...
Their genetic fitness is to be monitored by the physicians: "... he (Asclepius, a culture hero) did not want to lengthen out ...
Body size is indicative of fitness and/or genetic quality; and because it is easily observable, it can be an indicator for how ... indicating that species-specific evolution of calls might be constrained by a lack of genetic variation or because female ... a high risk of mating with sperm depleted males due to frequent mating and tend to select the same few males displaying fitness ...
Males perform elaborate courtship dances to display fitness and genetic advantage. Female orb-web spiders (Nephilengys livida) ... Mate choice often correlates size with fitness level; smaller males tend to be less aggressive and display low level of fitness ... This has been hypothesized to be due to an increased fitness advantage of half or full eunuchs. Upon losing a pedipalp males ... The decision of a female to cannibalize a male is not defined by the nutritional value or genetic advantage (courtship dances, ...
The concept of fitness is taken directly from classic genetic algorithms. Be aware that there are many variations on how LCS ... Default hierarchies". Genetic algorithms and their applications : proceedings of the second International Conference on Genetic ... offline learning, (5) strength-based fitness vs. accuracy-based fitness, and (6) complete action mapping vs best action mapping ... In Michigan-style LCS, each rule has its own fitness, as well as a number of other rule-parameters associated with it that can ...
I. Genetic and phenotypic bases of wrinkly spreader fitness". Genetics. 161 (1): 33-46. PMC 1462107 . PMID 12019221. "Afghan ...
Since individuals have a greater concentration of genetic interest (inclusive fitness) in their own ethnic group than they do ... Religious, political and class conflicts become heated because they affect genetic fitness. Karl Marx did not take his analysis ... To guard one's genetic interests, Frank Salter notes altruism toward one's co-ethnics: Hamilton's 1975 model of a genetic basis ... On Genetic Interests, p. 125 . Salter, p. 146. Rushton, J. Philipe, "Ethnic Nationalism, evolutionary psychology and Genetic ...
These genetic benefits can increase fitness in offspring and improve their foraging ability. The life-cycle of Panorpa ... genetic benefits) to increase reproductive success. The production of nuptial gifts during copulation in males (e.g. salivary ...
Fitness proportionate selection Selection (genetic algorithm) Stochastic universal sampling Tournament selection Loshchilov, I ... Deb, K.; Pratap, A.; Agarwal, S.; Meyarivan, T. (2002). "A fast and elitist multi-objective genetic algorithm: NSGA-II". IEEE ...
In essence, this term quantifies what effect genetic changes will have on fitness. Darwinian Fitness Hardy-Weinberg principle ... The mean population fitness W ¯ {\displaystyle {\overline {W}}} is a measure of the overall fitness of the population. In the ... In words: The product of the relative frequencies, p q {\displaystyle pq} , is a measure of the genetic variance. The quantity ... W ¯ {\displaystyle {\overline {W}}} is the mean population relative fitness. ...
When a population is small or inbred, it tends to lose genetic diversity. Inbreeding depression is the loss of fitness due to ... A related term fitness is well defined, but it can rarely be directly measured. Instead, scientists use objective, measurable ... The genetic overdominance hypothesis states that some combinations of alleles (which can be obtained by crossing two inbred ... For example, when a hybrid inherits traits from its parents that are not fully compatible, fitness can be reduced. This is a ...
"The genetic architecture of reproductive isolation in Louisiana irises: Hybrid fitness in nature". Evolution. 63 (10): 2581- ... typically resulting from instances in which hybrids suffer reduced fitness. Such negative fitness consequences have been ... These may be genetic, related to the genomes or the interaction between nuclear and cytoplasmic factors, as will be discussed ... This last mechanism restricts even more the genetic interchange between the two species of fly in the wild. Haldane's rule ...
2009). "Tn-seq: highthroughput parallel sequencing for fitness and genetic interaction studies in microorganisms". Nature ... 2009). "Identifying genetic determinants needed to establish a human gut symbiont in its habitat". Cell Host Microbe. 6 (3): ... Tn-seq is useful for both the study of a single gene's fitness as well as gene interactions Signature-tagged mutagenesis (STM) ... 1995). "Genetic Footprinting: A Genomic Strategy for Determining a Gene's Function Given Its Sequence". Proceedings of the ...
Meioses that lead to self-fertilization can reduce genetic fitness by causing inbreeding depression. However, self- ... and strong genetic evidence indicates occasional outcrossing. They are also the only simultaneous hermaphroditic vertebrates, ... and the concentration of males to hermaphrodites can vary depending on the local requirement for genetic diversity (for example ...
These mutations are passed onto the next generation because the offspring are exact genetic clones of their parent. The genetic ... While theories positing fitness benefits that led to the origin of sex are often problematic, several theories addressing the ... Organisms need to replicate their genetic material in an efficient and reliable manner. The necessity to repair genetic damage ... Another theory is that sexual reproduction originated from selfish parasitic genetic elements that exchange genetic material ( ...
1-11 Araki, H.; Cooper, B. & Blouin, M. S. (2007). "Genetic effects of captive breeding cause a rapid, cumulative fitness ... Over a sufficient number of generations, inbred populations retain genetic diversity. The cheetah has undergone genetic drift ...
This sexual selective pattern increases the overall fitness of the species and promotes genetic variation. The females select ... Bernstein H, Byerly HC, Hopf FA, Michod RE (1985). "Genetic damage, mutation, and the evolution of sex". Science. 229 (4719): ... Female crickets exert a postcopulatory fertilization bias in favour of unrelated males to avoid the genetic consequences of ... Tinghitella, R.M. (2008). "Rapid evolutionary change in a sexual signal: genetic control of the mutation 'flatwing' that ...
Indirect benefits increase genetic fitness for the offspring, and thereby increase the parents' inclusive fitness. When it ... Research suggests that women consider traits indicating genetic fitness as more important for their own partner, and traits ... However, the genetic compatibility model is limited to specific traits due to complex genetic interactions (e.g. major ... Genetic benefit hypothesis: Women may choose to engage in short term mating arrangements in order to aid conception if her long ...
Hitchings, S. P.; Beebee, T. J. C. (1998). "Loss of genetic diversity and fitness in Common Toad (Bufo bufo) populations ... of common toad occupying small areas and isolated by development show a lower level of genetic diversity and reduced fitness as ... The researchers demonstrated this by genetic analysis and by noting the greater number of physical abnormalities among urban as ... This slows growth rates and reduces stamina and fitness. Larger juveniles at metamorphosis always outgrow smaller ones that ...
"Genetic fitness and selection intensity in a population affected with high-incidence spinocerebellar ataxia type 1". ... other types of genetic ataxias, and for determining which genetic tests should be done first. Diagnosis of SCAs often begins ... before initiating diagnostic genetic testing. Because no preventative or curative treatments are known for SCAs, genetic ... However, genetic testing is high in cost and has a low diagnostic yield, with positive diagnoses being found in only 24% of ...
Treloar SA, Martin NG (1990). "Age at menarche as a fitness trait: nonadditive genetic variance detected in a large twin sample ... If genetic factors account for half of the variation of pubertal timing, environment factors are clearly important as well. One ... The genetic association of timing is strongest between mothers and daughters. The specific genes affecting timing are not yet ... Various studies have found direct genetic effects to account for at least 46% of the variation of timing of puberty in well- ...
Protection from major genetic mutation[edit]. In contrast to the view that sex promotes genetic variation, Heng,[13] and ... While theories positing fitness benefits that led to the origin of sex are often problematic,[citation needed] several theories ... Advantages due to genetic variation[edit]. See also: Hill-Robertson effect. For the advantage due to genetic variation, there ... Genetic heritability cost of sex[edit]. A sexually reproducing organism only passes on ~50% of its own genetic material to each ...
Genetic information can vary up to 10% between strains.[15] Transformation[edit]. Natural bacterial transformation involves the ... nasal colonization fitness and virulence (lung infectivity) depend on an intact competence system. ... S. pneumoniae played a central role in demonstrating that genetic material consists of DNA. In 1928, Frederick Griffith ... "Addiction of Hypertransformable Pneumococcal Isolates to Natural Transformation for In Vivo Fitness and Virulence". Infect. ...