Sentences with phrase «trait under selection»

Such assortative mating increases relatedness in families and can help their offspring survive better as long as the trait under selection (larger size, for example) continues to be beneficial — helping males acquire and fend off mates, for example.

Not exact matches

We see in sexually selected traits a much greater diversity than we see in those traits that are under strict natural selection.

«Those modern humans» selected genes under selection may prove central to a relevant process of domestication, given that these interactions may provide significant data on relevant phenotypic traits,» said Boeckx.

Using these images and 20 years of genetic parentage data, the researchers assessed whether the variation in red ornaments influenced fecundity — that is they produced more offspring — and is heritable in male and female rhesus macaques, two necessary conditions for the trait to be considered under sexual selection.

However, a lack of traits known to be under direct selection by anthropogenic climate change has limited the incorporation of evolutionary processes into global conservation efforts.

Tomas Marques - Bonet of the Universitat Pompeu Fabra noted that studying gene flow between ancient humans such as Neanderthals, Denisovans and the ancestors of modern humans has revealed numerous genes under selection that affect disease and an individual's traits.

This is evidence in humans of assortative mating, which is a form of sexual selection in which individuals with similar traits mate with one another more frequently than would be expected under a random mating.

In contrast, the strongest signals of diversifying selection in dogs are all associated with either body size / shape or hair / pigmentation traits, and therefore are unlikely to have been under selection for disease resistance, metabolic adaptations, or behavior.

Eight of these coded for wing color patterning, a trait important for mating and avoiding predation, and under intense selection pressure, while the other four remain undescribed.

This dual inheritance theory of human behaviour proposes that cultural traits are adaptive and they evolve and influence the social and physical environments under which genetic selection operates (Boyd & Richerson 1985).