Sentences with phrase «patterns of mate»

The notion of family is seminal in human genetics for many reasons: the inheritance and genetic basis of traits is discerned from family patterns; arguments about heritability and nature versus nurture are derived from studies of family relationships; population genetic structure and social diversity are determined by patterns of mate choice; genetic information is typically delivered in the context of families.

Mating is multidimensional and requires matching a pattern of mate preferences to a pattern of potential mate features.

Not exact matches

Studies such as Joel Harrington's remind us that patterns of sexuality and mating have typically been unruly.

Roma President James Pallotta was seething in response, «Mehdi Benatia has obviously continued with his pattern of outright lies over the last couple of months»... «Lying to Rudi Garcia and his team - mates was completely unacceptable to me.»

@andrew, i must agree with you mate the officals were conned, I never thought it was a pen,,,,,,,,,, but an opportunity has again been missed and the pattern seems to be set with this team, @jerry top strikers will make no diff because Wenger will still ask for them to stay out of the box because he does not seem to appreciate what an out and out striker can bring to the table.

The study, led by Dr Allan Debelle and Dr Rhonda Snook in the University's Department of Animal and Plant Sciences, looked at the mating patterns of fruit flies after they evolved for 100 generations in either polyandrous populations (where several males have to compete for a single female) and monogamous populations (where each male has access to only one female).

And, surprisingly, the act of mating actually transformed the brain's activity patterns.

Working independently, Dulac and Anderson mapped patterns of brain activity in different brain regions while mice sniffed, ignored, fought, or mated with other mice.

Patterns of parental care and productivity of different combinations of male - female pairs from the same or different selection lines were then examined to see whether selection on mating behavior led to a correlated, co-evolutionary response in parental care behavior.

«Understanding animals» movement patterns and the encounters they bring about is a key step in characterizing a population's mating system and essential for determining how behavior both facilitates and is subject to sexual selection,» explained Kamath, a postdoctoral scholar in UCSB's Department of Ecology, Evolution, and Marine Biology.

Rather, they quantify movement patterns of the lizards and estimate encounters between potential mates.

Instead, costs of mating in females appear to determine how patterns of parental care evolve in response to changes in mating behavior.

A MALE silk moth gets a whiff of pheromones and begins a complex search pattern to track down a potential mate — a brief surge forward, an intricate zigzag, a sweeping loop.

Species often have different mating or courtship patterns or behavours, the breeding seasons maybe distinct and even if mating does occur antigenic reactions to the sperm of other species prevent fertilization or embryo development.

This pattern of gene flow means humans and Neanderthals must have mated at some point.

The researchers say this range of feather patterns implies that many different feather uses, such as insulation and mating displays, drove the evolution of early plumage.

Studies on animals with mating or migration patterns that revolve around lunar cycles could also illuminate the underlying biological drivers as well as the evolutionary benefit of having a moon - synced clock.

A remarkable yet little - known species of octopus is once again exciting the cephalopod community with its surprisingly social behavior, unconventional mating and reproductive habits, unusual predatory behavior, and unique body patterns, most of which have never before been observed among octopuses.

«The length of the penis in two species of seed bug is subject to complex patterns of selection, varying depending on the social context and whether selection is measured before or after mating,» said Dougherty in summarising the findings.

Lawrence Katz of the Duke University Medical Center and his colleagues discovered that once signals reach the accessory olfactory bulb they are mapped out into distinct patterns of nerve cell activity that vary according to the traits that enable a mouse to identify desirable mates, such as species and sex.

Scientists theorize that these areas do the bulk of the work in maintaining individual species, perhaps by preserving different color patterns or mating behavior.

Taken as a whole, the studies point to a pattern: Narcissists are more likely to engage in mate poaching, but are not more interested in people who are already in a relationship — with the exception of opportunities for a low - cost sexual encounter, such as a one - night stand, Brunell said.

After scientists observed years of mating in the lab, they pinpointed a gene linked to wing patterning, which differs between the two species.

Tracy Langkilde, an associate professor of biology at Penn State University, and Lindsey Swierk, a graduate student in Langkilde's lab, tackle this question by examining the mating behavior and blue - color patterns of fence lizards in Arkansas, Alabama, and Mississippi.

Höglund adds that these observations may change scientists» views of how much mating patterns in birds can change.

But among primates in smaller groups (and those that live near many different species, regardless of group size), more complex patterning makes it easier to recognize members of their own species, so they can focus their mating efforts and territorial disputes where it counts.

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.

Fish species used in laboratory studies, such as zebrafish, sticklebacks, and mosquitofish, respond to changes in stripe and color patterns of their conspecifics, and these features have been associated to their shoaling preferences, mating choices, and social ranks, respectively [18], [48], [49], [51].

Historical events that influenced the patterns of migration and mating among our ancestors are reflected in our DNA — in our genetic relationships with each other and in our genetic risks for disease.

Studies of Y - chromosome diversity in other great apes are relatively undeveloped compared to those in humans, but have nevertheless provided insights into speciation, dispersal, and mating patterns.

Of more use to the Internet dating industry about racial patterns in mating was presented graphically in the January 29, 1011 New York Times article «Who is Marrying Whom».

In LPM, «compatibility» (between prospective mates) is a high percentage of «similarity» between personality patterns, perhaps over 90.00000000 % ± 0.00000001 % LPM algorithm calculates «similarity» between personality patterns using the following adapted quantum mechanics math equation.

Captive rodents that are kept caged and not given anything to play with or to chew on commonly develop behavior problems including barbering (chewing hair off themselves), repetitive behaviors (such as cage bar chewing, jumping, digging, and running in patterns), fighting, cannibalism (of their mates and babies), and repetitive teeth chattering.

At the gallery's first exhibition for the queer South African artist, Lehmann Maupin is offering a different side of his work, «inspired by the migratory patterns of eels,» as well as their curious mating rituals.

The ways in which mating is accomplished, however, are incredibly variable; study of this variability by evolutionary biologists has greatly advanced our understanding of the evolution of behavior, social evolution, and traits such as number, size of young and patterns of investment in them.

Modern climate change may also affect future mating patterns and sexual dimorphism of pinnipeds, Cullen said.

«There is great concern that a lack of males could lead to inbreeding in small populations of marine turtles, potentially causing a population crash,» explained Lucy Wright, a PhD candidate at the University of Exeter who led the study, «however our research suggests that there are more males out there than expected considering the female - biased hatchling sex ratios and that their mating patterns will buffer the population against any potential feminising effects of climate change.»

As seen in one of the leaked press renders, Huawei Mate 10 Pro is surrounded by a distinctive patterned strip that gives a two - tone finish.

Regardless of gender, adolescents with a history of antisocial behavior are more likely to marry people who are involved in crime or who exert an antisocial influence.31 For males, there is a link between assuming adult responsibilities, such as marriage and child - rearing, and desisting from crime, but this pattern is less common among females.32 In fact, for females, the inverse is often the case: marriage to an antisocial mate reinforces antisocial behaviors throughout adulthood.

Hence it is especially refreshing to encounter members of the discipline who are comfortable with both biologically influenced behavior patterns and the remarkable range of human cultural diversity, and who have the wit and wisdom to combine the two — consistencies in pair - bonding and adolescent sexual development and variations in the desirability of mates worldwide — rather than argue vociferously that either precludes the other.

Patterns of deception in intersexual and intrasexual mating strategies.

Human adaptations for mating: Frameworks for understanding patterns of family formation and fertility.