The diagram of various structures of vestibular apparatus that are involved in providing equilibrium and their role in regulating the brain movement. Introduction: Equilibrium is a state of balance. It is used to describe the ion concentration in body fluids and the position of body in space. The dynamic component of equilibrium tells about the movement through space. The static component of equilibrium tells if the head of an individual is not in its normal upright position. The sensory information from the inner ear combined with signals from joint and muscle proprioceptors tells the brain about the localization of the body parts in relation to one another and the environment.

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According to a recent study, 1 out of 50,000 people will be diagnosed with cystic fibrosis. Cystic fibrosis can be caused by a mutant form of the CFTR gene (dominant gene symbol is F and mutant is f). A. Using the rate of incidence above, what is the frequency of carriers of the cystic fibrosis allele for CFTR in the US? (3 pts) B. In a clinical study, 400 people from the population mentioned in (A.) were genotyped for BRCA1 Listed below are the results. Are these results in Hardy- Weinberg equilibrium? Use Chi Square to show whether or not they are. (3 pts) BRCA1 genotype # of women 390 BB Bb bb 10 0 12pt Paragraph L BIUAV V T² v V

Answer 1

Question

Chapter 10, Problem 29RQ

Summary Introduction

To sketch: The diagram of various structures of vestibular apparatus that are involved in providing equilibrium and their role in regulating the brain movement.

Introduction: Equilibrium is a state of balance. It is used to describe the ion concentration in body fluids and the position of body in space. The dynamic component of equilibrium tells about the movement through space. The static component of equilibrium tells if the head of an individual is not in its normal upright position. The sensory information from the inner ear combined with signals from joint and muscle proprioceptors tells the brain about the localization of the body parts in relation to one another and the environment.

Summary Introduction

To determine: The function of the vestibular apparatus in notifying the brain of the movements.

Introduction: The static component of equilibrium tells if the head of an individual is not in its normal upright position. The sensory information from the inner ear combined with signals from joint and muscle proprioceptors tells the brain about the localization of the body parts about one another and the environment.

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