NU 318 - FINAL EXAM QUESTIONS AND ANSWERS

NU 318 - FINAL EXAM QUESTIONS AND ANSWERS What is behavioral genetics? - Ans:-The study of the ways in which genes influence behavior Do genes directly control behavior? - Ans:-NO - gene variants influence behavior, particularly in combination with environment What is Autism Spectrum Disorder? - Ans:-collection of symptoms that do not quite meet the definition of pervasive developmental disorder (PDD) -wide variation in phenotype Examples of Pervasive Developmental Disorders - Ans:--Asperger Disorder -Rett Disorder What is Autism related to genetics? - Ans:--Most are clearly the result of variations in several genes working together, probably with environment triggers -Complex ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/15 -Multifactorial -Exposure to chemical during pregnancy or environmental triggers What is substance abuse disorder described as? - Ans:-Out-of-control drug use that is not consistent with adaptation and continues in spite of serious adverse consequences Attention-Deficit Hyperactivity Disorder (ADHD) - Ans:--Problem with social interaction and academic performance -runs in families -GWAS supports that ADHD is complex disorder w/ environmental contributions Subtypes of ADHD - Ans:-1. Inattentive 2. Hyperactive/Impulsive 3. Combined Schizophrenia - Ans:--Severe chronic psychiatric disorder -Psychosis with hallucinations and delusions -Appears in adolescence or early adulthood ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/15 -VERY complex (multifactorial) -Wide variable phenotype What chromosome is associated with both depression and bipolar disorder? - Ans:-Region on Chromosome 3 What gene is associated with neurodevelopment (Schizophrenia) - Ans:-NOTCH4 What genes encode neurotransmitters for alcohol dependence? - Ans:--Gamma aminobutyric acid (GABA) -Acetylcholine What genes are a part of the endogenous opioid system that encode for drug dependence? - Ans: