Describe what nearsightedness, farsightedness, and astigmatism is. What is the complete epigenetic origin to include the genetic/biological origin and the environment influence related to these disorders

Describe what nearsightedness, farsightedness, and astigmatism is. What is the complete epigenetic origin to include the genetic/biological origin and the environment influence related to these disorders

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 16QP: A region on chromosome 6 has been linked to schizophrenia, but researchers have not found a specific...

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Concept explainers

Communication

Communication is a method of transferring information between two persons or organisms. Communication is possible using mutually understood behaviors such as signs, symbols, or language. In the year 1980, S. F. Scudder proposed communication theory. According to his ideas, all living beings on the earth communicate, but the methods of communication differ. Communication skills are now part of soft skills.

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Discuss at least three of the disorders of focusing. What is the complete epigenetic origin which should include the genetic/biological origin and the environment influence related to these disorders of focusing.
Why do you think it has been so difficult to identify genes underlying schizophrenia? Rachel asked to see a genetic counselor because she was concerned about developing schizophrenia. Her mother and maternal grandmother both had schizophrenia and were institutionalized for most of their adult lives. Rachels three maternal aunts are all in their 60s and have not shown any signs of this disease. Rachels father is alive and healthy, and his family history does not suggest any behavioral or genetic conditions. The genetic counselor discussed the multifactorial nature of schizophrenia and explained that many candidate genes have been identified that may be mutated in individuals with the condition. However, a genetic test is not available for presymptomatic testing. The counselor explained that based on Rachels family history and her relatedness to individuals who have schizophrenia, her risk of developing it is approximately 13%. If an altered gene is in the family and her mother carries the gene, Rachel has a 50% chance of inheriting it.
Do people look differently upon those afflicted with mental illness if we have a perspective grounded in an understanding that this is a genetic diagnosis? How so?
1) using at least one named example discuss the implication of allelic heterogeneity in single gene disorder for the presentation and progession of the disorder and its treatment 2) discuss the importance of understanding epigenetics in improving people health
How is this disorder inherited? State your reasoning
What is Transcranial Magnetic Stimulation and how does it work? Imagine I predict that an area called the superior temporal gyrus in the right hemisphere is involved in face processing. How could I use TMS to help test my prediction? What does a heritability rate of 35% mean? How does the epigenome differ from the genome?
Define Epigenetic changes. Are epigenetic changes the same thing as mutations? Explain why or why not.
Using examples from the literature, explain how genome-wide association studies have helped us understand the origins of neurodevelopmental disorders such as autism, ADHD and/or schizophrenia
Define an epigenetic phenomenon.
Discuss the similarities and differences of phenotypic variations that are caused by epigenetic gene regulation versus variation in gene sequences (epigenetics versus genetics).
Define epigenetics. Are all epigenetic changes passed from parentto offspring? Explain.
A region on chromosome 6 has been linked to schizophrenia, but researchers have not found a specific gene associated with this disease. What steps would be necessary to locate the gene?