Which of the following describes the purpose of GWAS analysis OGWAS analysis identify genes that are associated to a complex trait in humans that is affected by multiple genes OGWAS analysis identify genes that follow Mendelian traits WAS analysis identify traits that have a genetic component and affect many people OGWAS determines the genetic cause for complex traits OGWAS analysis identify genes that are associated to a complex trait in humans that is affected by a single gene

Which of the following describes the purpose of GWAS analysis OGWAS analysis identify genes that are associated to a complex trait in humans that is affected by multiple genes OGWAS analysis identify genes that follow Mendelian traits WAS analysis identify traits that have a genetic component and affect many people OGWAS determines the genetic cause for complex traits OGWAS analysis identify genes that are associated to a complex trait in humans that is affected by a single gene

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter18: Genetics Of Behavior

Section: Chapter Questions

Problem 1QP

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Which of the following statements about mendelian or complex diseases true?. A Genome- wide association studies rely on polymorphic markers that are linkage disequalibrium with alleles that contribute to the traits of interest. B. Genetic methods for studying Mendelian phenotype such as crossing is not useful for mapping quantitive trait loci. C. Mapping of quantitative trait loci does relies on genetic variations that directly contribute to the trait of interest.
Polygenic traits are: Group of answer choices Rare, comprising just a few traits. Most traits are monogenic rather than polygenic. Controlled by two or more genes, and include traits such as skin color and height. Controlled by just one gene, and include traits such as ABO blood type or freckles. Usually caused by harmful mutations that lead to disease development.
The following table gives the percentage of twinpairs studied in which both twins expressed the same phenotypefor a trait (concordance). Percentages listed arefor concordance for each trait in monozygotic (MZ) anddizygotic (DZ) twins. Assuming that both twins in eachpair were raised together in the same environment, whatdo you conclude about the relative importance of geneticversus environmental factors for each trait?
Match each of the following terms with its correct definition (parts a through i). ______Phenocopy ______Pleiotropy ______Polygenic trait ______Penetrance ______Sex-limited trait ______Genetic maternal effect ______Genomic imprinting ______Sex-influenced trait ______Anticipation a. The percentage of individuals with a particular genotype that express the expected phenotype. b. A trait determined by an autosomal gene that is more easily expressed in one sex. c. A trait determined by an autosomal gene that is expressed in only one sex. d. A trait that is determined by an environmental effect and has the same phenotype as a genetically determined trait. e. A trait determined by genes at many loci. f. The expression of a trait is affected by the sex of the parent that transmits the gene to the offspring. g. The trait appears earlier or is more severe in succeeding generations. h. A gene affects more than one phenotype. i. The genotype of the maternal parent influences the phenotype of the…
What are the causes of unexpected rations and why? (non-dominant nature of traits, several genes affecting the trait, environmental effects, incomplete penetrance, lethal phenotypes, etc)
Cystic fibrosis is a homozygous recessive condition that affects 1 in 10,000 of the Hispanic populationin the United States. Calculate the frequency of the dominant allele, the frequency of the recessiveallele, and the percentage of heterozygous individuals (carriers) in the Hispanic population.Frequency of thedominant alleleFrequency of therecessive allele% homozygous dominant% homozygous recessive% heterozygous
Six single-nucleotide polymorphism (SNP) loci are known to contribute to the development of type 2 diabetes. Diabetes is certain if eight or more of the alleles at these six loci are of the “contributing” variety. An uppercase letter indicates an allele that contributes to diabetes and a lowercase symbol indicates a noncontributing allele. A married couple wants to know the probability of producing a child who is at severe risk of type 2 diabetes. Their genotypes were determined by microarray analysis and are as follows: AaBbccDDEEFf × AaBbCCDdEeFf
A geneticist is studying memory recall and is trying to locate specific genes that have varying effects on a given phenotype (physical trait) in the study subjects. These locations of these genes are referred to as: Group of answer choices Genomic spatial identifications Epigenetic regulators Evocative response indicators Quantitative trait loci
Identify each of the following as an example of allele, genotype, and/or phenotype frequency: A. Approximately 1 in 2500 people of Northern European descent is born with cystic fibrosis. B. The percentage of carriers of the sickle cell allele in West Africa is approximately 13%. C. The number of new mutations for achondroplasia, a genetic disorder, is approximately 5 × 10–5.
An individual with a form of red-green color blindness processes a genetically inherited trait that makes it difficult to distinguish red and green color hues. Red-green color blindness tends to skin generations and it is found much more often in men than in women. If a man who was normal and a woman who is a carrier for this form of colorblindness have a child, when the probability that the child will be red-green colorbind is: -0% -25% -50% -75% -100%
____traits are impacted by the function of multiple genes, whereas pleiotropic genes impact multiple _____ the choices are: polygenic, epistatic, dominant, recessive, alleles, chromosomes, phenotypes, individuals
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