Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 18, Problem 1QP
Summary Introduction
To determine: The major differences in the methods that are used to study behavior genetics of single traits and polygenic traits.
Introduction: The field of science that uses genetics to study the differences in origin and nature of an individual is called behavior genetics. Interactions among environmental stimuli, genes, and nervous system result in different traits related to behavior.
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Chapter 18 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 18.2 - What role would twin and adoption studies play in...Ch. 18.2 - Prob. 2EGCh. 18 - Why do you think it has been so difficult to...Ch. 18 - If a test were available that could tell you...Ch. 18 - Prob. 1QPCh. 18 - Prob. 2QPCh. 18 - Prob. 3QPCh. 18 - List the steps involved in transmitting a nerve...Ch. 18 - Why do neurotransmitters have to be removed from...Ch. 18 - Prob. 6QP
Ch. 18 - Perfect pitch is the ability to identify a note...Ch. 18 - Prob. 8QPCh. 18 - Name three genes whose mutations lead to an...Ch. 18 - Prob. 10QPCh. 18 - Prob. 11QPCh. 18 - Animal Models: The Search for Behavior Genes You...Ch. 18 - Prob. 13QPCh. 18 - A pedigree analysis was performed on the family of...Ch. 18 - Prob. 15QPCh. 18 - A region on chromosome 6 has been linked to...Ch. 18 - Genetics and Social Behavior Of the following...Ch. 18 - Prob. 18QPCh. 18 - Prob. 19QP
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- Identify a possible advantage and a possible disadvantage of a genetic test that would identify genes in individuals that increase their probability of having Alzheimer’s disease later in life.arrow_forwardBriefly explain how genes affecting a polygenic characteristic are located with the use of QTL mapping.arrow_forwardWhat are the importance of pedigree build in genetic counselling? How do genetic counselors help families?arrow_forward
- What is the Strategy for genetic mapping of quantitative trait loci (QTLs) influencing complex traits?arrow_forwardTwin studies are often used in the research of human behavioral traits. Although helpful, there are limitations to these studies. All of the following are limitations to twin studies EXCEPT: Traits are assumed to be simple Mendelian inheritance, discounting additive alleles and epistasis Dizygotic twins will often share more than 50% of their genes Monozygotic twins are often treated more similarity than dizygotic twins O Twins studies are a mechanism to understand the genetic and environmental components of a trait Twins reared apart are often adopted out to families of similar income, ethnicity, and religionarrow_forwardA 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 lociarrow_forward
- Which of the following best describes the broad-sense heritability of a trait? Variance in the trait that is due to genetic effects (VG) The proportion of phenotype variance that is due to genetic effects (VG/Vp) The proportion of phenotype variance that is due to genetic effects (Vp - VG) The proportion of phenotype variance that is not due to genetic effects (Vp- VE) the degree to which genes influencing a trait are passed from offspring to parents Toarrow_forwardWhat are 2 ethical concerns associated with the commercialization of polygenic scores for diagnostics? Explain each issue briefly, and what can be done to mitigate it.arrow_forwardin considering the interaction of multiple genes involved in complex traits and interaction with the environmental factors what does the organisms genotype represent? What does the phenotype represent? What does the environment have to do with it?arrow_forward
- What is concordance? For a polygenic or multifactorial trait such as behavior, why are identical (monozygous) twins studied? What is the advantage of studying identical twins reared apart? What should be the concordance in identical twins raised apart if a trait is purely genetic with no environmental influence? What are some genetic conditions or chromosomal abnormalities that cause changes in behavior?For example, Huntington disease; Fragile X syndrome. What is schizophrenia and why is it considered multifactorial? What is autism? Major depression? Bipolar disorder? What is: the purpose of our immune system? Our first line of defense against infection? • What are some differences between our innate immune system, and our adaptive immune system? What is an antigen? An antibody? Which cells make antibodies? What is a memory B cell? How do vaccines work? Why must HLA be matched for a successful organ transplant? Why is it difficult to find a good match?arrow_forwardWhat is a quantitative trait locus (QTL)? Does a QTL contain onegene or multiple genes? What technique is commonly used to identify QTLs?arrow_forwardWhat is pedigree Analysis? What are its use or uses?arrow_forward
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