To determine: The advantages of using Drosophila in the study of behavior genetics.
Introduction: The study of genetics and environmental influences on the behavior of an individual is called ‘behavioral genetics’. The genetics of human behavior can be studied through animal model systems. The animals are genetically similar to humans which are selected for developing an animal model for the particular disease.
To determine: Whether Drosophila can serve as a model for human behavior genetics.
Introduction: The study of genetics and environmental influences on the behavior of an individual is called ‘behavioral genetics’. The genetics of human behavior can be studied through animal model systems. The animals are genetically similar to humans which are selected for developing an animal model for the particular disease.
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Chapter 18 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
- Animal Models: The Search for Behavior Genes You are a researcher studying an autosomal dominant neurodegenerative disorder. You have cloned the gene underlying the disorder and have found that it encodes an enzyme that is overexpressed in the neurons of individuals who have the disorder. To better understand how this enzyme causes neurodegeneration in humans, you make a strain of transgenic Drosophila whose nerve cells overexpress the enzyme. a. How might you use these transgenic flies to try to gain insight into the disease or identify drugs that might be useful in the treatment of the disease? b. Can you think of any potential limitations of this approach?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_forwardCooperative behaviour is widely found among animals. Provide the following: 1) an example of cooperative behaviour between genetically related individuals 2) an example of cooperative behaviour between unrelated individuals. For each of the examples, also describe the mechanism(s) involved in maintaining cooperative behaviours during their interactions.arrow_forward
- Compare and contrast how BMP is used in the developmental process of anterior- posterior patterning in Mice and Drosophila. 300 words. Need answer asaparrow_forwardHuman behavioral traits are quantitative traits. What does it mean? What are these environmental factors affecting human behaviors? Please list them as many as you can. Based on the research results on the genetics of human behaviors, what do you think about the debate of 'Nature vs. Nurture'? Are we responsible for our behaviors or it is in our genes? Please explain?arrow_forwardIn one twin study investigating the genetics of addiction, 41% of monozygotic twins both exhibited substance dependence while 24% of dizygotic twins both exhibited substance dependence. Does this twin study suggest that there is or is not a genetic component to addiction? What evidence in model organisms supports a genetic component to addiction?arrow_forward
- You are studying the heritability of maze running ability in rats. You test parents and their offspring in the maze and give them a score. ponitel Odepositphotos You produce the following graph: A 4 2 slope = = 0.9 8 -10 - 12 -10 -8 -9- -4 -2 0 2 4 6 8 midparent maze score offspring maze scorearrow_forwardClarify the difference between claiming that, a) some behaviours are genetically determined, versus b) some differences among individuals in behavioural phenotype are genetically determined. Are both claims valid in some circumstances? Use any suitable example you know about to justify your answer.arrow_forwardBehavioral complexity in animals is controlled by a variety of potential sources or types of design information. Of these various sources which is most directly responsible for the difference in behavioral sophistication between contemporary humans and non-humans animals?arrow_forward
- What is the prototype approach? What experiments did Rosch do thatdemonstrated connections between prototypicality and behavior?arrow_forwardHow is Return Demonstration link to the Behaviorist Learning theory? Note: Please provide answers in paragraph form and not in point formarrow_forwardwhat are the strengths and weaknesses of the studys in each article of the 4 articles? the 4 research articles are: orebrain control of behaviorally-driven social orienting in zebrafish by Sarah J. Stednitz perceptual mechanisms of social affiliation in zebrafish by Ana Rita nunes1 Genetic variation in the social environment affects behavioral phenotypes of oxytocin receptor mutants in zebrafish by Diogo Ribeiro1 Biological Motion as an Innate Perceptual Mechanism Driving Social Affiliation by Johannes Larscharrow_forward
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