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dominance at Biology News

Live fast, die young true for forests too

...phenson and van Mantgem pointed out that increased dominance by younger trees could also lead to changes in the amount of carbon stored in forests, though the direction and magnitude of such potential changes are currently unknown and require more research. Atmospheric carbon dioxide, a heat-trapping gas impli...

Aggressive aquatic species invading Great Lakes

...rritory from native fish plays a key role in their dominance of the Great Lakes. In the study, McMaster's Sigal Balshine, an assistant professor of psychology, and her colleagues report that gobies win territory disputes against native logperch regardless of whether or not they were the original resident of t...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...impact of acoustic and seismic estrus calls on the dominance hierarchy among bulls. "Our work is really at the interface of geophysics, neurophysiology and ecology," she says. "We're asking questions that no one has really dealt with before." SIDEBAR: Anatomy of the trunk and feet offers new clues to elephan...

Did humans cause ecosystem collapse in ancient Australia?

...nt before the extinctions, we saw a quick shift in dominance from C4 drought-resistant trees, shrubs and grasses, to C3 desert plants. " Why did the scientists point to humans as the instigators of the ecological changes? First, they ruled out the other usual suspect--global climate change. They looked at the...

Sudden change in social status triggers genetic response in male fish, study finds

...e that we usually think of in fish." Reversible dominance The PloS Biology study is the latest in a serie...that are used for courtship and breeding. However, dominance among male cichlids is reversible: If a subordinate successfully challenges a dominant male in a fac...

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dominance at Biology Products
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Monitoring Bacterial Genetic Diversity in a Freshwater Lake Using TTGE and DNA Sequence Analysis

...n individual bands suggested the numerical dominance by a number of strains (positions A to F) whose prevalence appeared to be temporally variable. Six DNA bands (positions A to F) were excised from the gel and sequenced. Phylogenetic analysis of these sequences grouped them as ...

David Brooks: Segmented nation looks for solidarity amid IT-powered niches

... and Briggs . The conference, which focused on the dominance of niches in marketing and society, explored many of the ways society has become segmented. In an interview with WTN, Brooks said one of the ways in which people are being niched is by differences in technology. They have more product choices thanks...

Internet-enabled niche markets take center stage

...ler, big hit, Hollywood blockbuster and prime-time dominance represent the hit-driven era known as the 20th Cen...hey also are creating new standards for prime-time dominance and other hit-driven barometers. In the 1950s, the iconic television series I Love Lucy regularly ...

JT Packard exec resigns after settling copyright disputes

...PS manufacturers were attempting to continue their dominance in the service space by installing "padlock software" in UPS systems to guarantee a claim on post-warranty service. Both cases recently were settled, but not before a federal judge, ruling that Packard violated a court order to provide software and ...

Early-stage quality brings investment, Meier says

...ector of Silicon Pastures , believes the emerging dominance of life science investing is a significant development, especially considering the preference of Wisconsin investors. For the first time in history, biotechnology topped software in terms dollars invested nationally during the third quarter, with $1....

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dominance at Biology Definition

Trait

...f genes in diploid organisms 5 Biochemistry of dominance and extensions to expression of traits De...lleles on homologous chromosomes exhibit a "simple dominance " relationship, the trait of the "dominant" allele shows in the phenotype . Gregor Mendel pionee...

Blood type

... both phenotypes because A and B express a special dominance relationship: codominance . Thus, it is usually impossible for a type AB parent to have a type O child (it is, however, no direct proof of illegitimacy ). Evolutionary biologists theorize that the A allele evolved earliest, followed by O and t...

Human

...ultant curious and introspective nature, and their dominance over other animals have given rise to attempts to ...and all of its creatures. Alongside such claims of dominance we often find radical pessimism because of the frailty and brevity of human life . In the Hebrew ...

Hardy-Weinberg principle

...ications 6.1 Application to cases of complete dominance 6.2 Significance tests for deviation 6.3 Examp...significant . Application to cases of complete dominance Suppose that the phenotypes of AA and Aa are indistinguishable i.e. that there is complete do...

Gene

...at gene copies interact are explained by chemical dominance relationships (more at genetics , allele ). Expression of molecular genes For various reasons, the relationship between DNA strand and a phenotype trait is not direct. The same DNA strand in 2 different individuals may result in different ...

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dominance at Biology Dictionary

Transfection

...nitely in culture . (See Oncogene .) Incomplete dominance . Full article >>> Cloning of any DNA sequence comprises of the following four steps: amplification , ligation , transfection , and screening / selection . Initially, the DNA fragment of interest needs to be amplified (many c...

Petal

... allele result in the same genotype in complete dominance (if red is dominant over white, the petal s of a flower heterozygous for red and white would be red). Full article >>> with complex petal s The importance of flicker effect can be demonstrated by training honeybees to visit foo...

Multiple alleles

...diploid organ isms include facets of incomplete dominance , codominance , and multiple alleles . See also : genetics , skill Categories: Classical genetics ... Full article >>>...

Message

...tein . Full article >>> incomplete dominance Referring to the phenotypic expression for a given trait demonstrating a blending of the genetic message s from the allele partners controlling that trait ; no dominant allelic partner. Full article >>> A chemical similar to...

Incomplete dominance

incomplete dominance a situation in which neither of two genic factors...by ... Full article >>> Incomplete dominance is a condition when neither allele is dominant over the other. The condition is recognized by t...

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dominance at Medicine News

New Technique to Study Infants Brain.

...s' brains don't divide into left-brain/right-brain dominance until puberty. A new study finds the brain's left hemisphere plays the leading role in processing most //language functions beginning almost immediately after birth. Researchers are using functional magnetic resonance imaging, or fMRI, to study inf...

fMRI Offers Insight Into An Infants Brain

...s' brains don't divide into left-brain/right-brain dominance until puberty. // A new study finds the brain's left hemisphere plays the leading role in processing most language functions beginning almost immediately after birth. Researchers are using functional magnetic resonance imaging, or fMRI, to study inf...

The Impact of Stress Early In Life

...lt lives. These monkeys also displayed less social dominance in group settings. In contrast, monkeys separated at 1 month old displayed increases in social dominance, social-comfort seeking, and overall sociability. In another study, researchers separated infant monkeys from their mothers during the first wee...

Attitude Of Male Dominance May Affect Life Expectancy In Men

...e heart of their life expectancy. Systematic male dominance - patriarchy - explains half the discrepancy in li...n are used to indicate the extent of societal male dominance over women, otherwise known as patriarchy. The wealth of a country, as indicated by the Gross Domes...

Voice Choice: Woo Men, Strike a Deep Chord

...oices. We asked women to assess attractiveness and dominance of voices across the menstrual cycle and predicted that preference for masculinity in men's voices would be stronger when conception risk is high. Women's preferences for masculine voices change over the menstrual cycle: women prefer masculine voices...

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dominance at Medicine Products
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Stress

...#62;>> Prolonged exposure to displays of dominance can lead to stress -related illnesses. If suspected, the aggressor and less-dominant fish should be separated. Swimming head-down may indicate stress . Full article >>> With this disorder the gastrointestinal tract is extremely ...

Lead

...#62;>> Prolonged exposure to displays of dominance can lead to stress -related illnesses. If suspected, the aggressor and less-dominant fish should be separated. Swimming head-down may indicate stress . Full article >>> A cluster of genes on chromosome 6 in humans, encoding c...
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