Aristotle once said‚ “Personal beauty is a greater recommendation than any letter of reference.” After thousands of years‚ this concept of beauty and its forthcoming advantages continues to hold. But first‚ what makes someone enjoyable to look at? There are some obvious and universal traits of beauty. According to Dina Spector‚ “High cheekbones‚ fuller lips‚ big eyes‚ and a thin chin are associated with sexiness in women‚ whereas a big jaw and broad chin are preferred in men. Smooth skin‚ shiny hair
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Phenylketonuria (PKU) a) Discuss in molecular detail the genetic and biochemical basis for PKU. Phenylketonuria (an inborn error of metabolism) is characterized by mutations of the phenylalanine hydroxylase (PAH) gene. PAH converts phenylalanine (essential amino acid) into tyrosine and requires the cofactor tetrahydrobiopterin (BH4)‚ molecular oxygen‚ and iron to do so. Loss of PAH activity results in increased concentrations of phenylalanine in the blood and toxic concentrations in the brain
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What factors determine whether mixed-race individuals claim a biracial or a mono-racial identity? Doyle‚ Jamie Mihoko and Grace Kao. 2007. “Are Racial Identities of Multiracial stable? Changing Self Identification Among Single and Multiple Race Individuals.” Social Psychology Quarterly 70(4):405-423. In this article‚ Doyle and Kao use the nationally representatives‚ longitudinal data to examine factors that influence the change in racial identity of multiracial adolescence over time. To accomplish
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Schluter P‚ Arenas M‚ Harris S. 2007. Genetic Variation in Vanilla planifolia (Orchidaceae). Economic Botany [internet]. [cited 2012 Oct 24]; 61(4): 328-336. Available from http://www.springerlink.com.hal.weber.edu:2200/content/x433851421050885/fulltext.pdf The geographic structure within Vanilla planifolia (Orchidaceae)‚ and randomly amplified polymorphic DNA (RAPD) genetic diversity was studied by Scientists: Schluter‚ Arenas‚ and Harris. These scientists proposed that there was a significantly
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incomplete dominance trait allele codominance ancestral trait gene pleiotropy derived trait dominant allele multiple alleles synapomorphy recessive allele epistasis homologous character genotype polygenic inheritance analogous character phenotype phenotypic plasticity convergent evolution homozygous norm of reaction adaptation heterozygous X-inactivation natural selection mutant crossing over mass extinction wild type linked genes‚ sex-linked background extinction chromosome recombinant
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The Staphylococcus aureus‚ a bacteria that is found in the nose‚ has been a leading cause of infection in hospitals around the world. This is an antibiotic-resistant‚ nosocomial pathogen‚ meaning that it’s acquired at hospitals. To test the idea that these infections have increased‚ eight hospitals participated in a study within the New York Area. The following are hospitals participated in this study: VA hospital‚ Kings County Hospital‚ Columbia University Medical Center‚ New York-Presbyterian Queens
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independently of each other allowing two traits to be monitored at once. With these laws‚ ratios can be assigned to both the Monohybrid‚ a cross of only one gene‚ and a dihybrid cross‚ a cross of two independent genes‚ which will result in ratios for both phenotype and genotype. The phenotypic ratio for a standard F1 monohybrid cross is 1:2:1 while a dihybrid cross has a phenotypic ratio of 9:3:3:1. The genotypic ratio of for a monohybrid cross though is 3:1 as the dominant allele will generally over power
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reactivity‚ the test for allergies by scratching the skin with chemicals of allergens. He speaks of the relatedness threw the similarities that they all share in chromosomal sites in atopy and asthma. It was also recorded in his research that even their phenotypes show similarities in different chromosomal areas. Blumenthal states that the explanation behind this is that both asthma and atopy are phylogenetic‚ meaning that they both need multiple genes to function. Giving an example is a most suitable way
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Suicide a Social Phenomenon Renita McBath Sociology 100 University of Phoenix Dr. Leslie Brougham May 13‚ 2010 Suicide a Social Phenomenon Suicide has quickly become a social phenomenon. As much as this is hidden from news reports and other public media‚ this phenomenon is a reality. Here are a few startling statistics from 2005: Suicide is the eleventh leading cause of death for all Americans; Homicide ranks 13th. More people die from suicide than from homicide
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4. Results No hypotheses in the discussion section were necessarily falsified‚ but some broad statements were made. For example; “Culture conditions obviously influence the outcome of adaptive evolution.” This statement implies that they have extensive knowledge on all the different aspects of evolution. Many scientists today will admit that we do not fully understand evolution and all the factors involved. To say that the conditions ‘obviously’ influenced that outcome is too broad of a statement
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