QUESTION: Gaucher disease is caused by a chronic enzyme deficiency. Greg has a sister afflicted with the disease. His parents, grandparents, and his other sister and two brothers are not affected. Discussions with relatives in his wife’s family reveal that her paternal grandmother has a brother afflicted by this disease. If the frequency of the disease allele is 0.16 in this population, what is the chance that Greg’s unaffected sister has an affected child?
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QUESTION:
Gaucher disease is caused by a chronic enzyme deficiency. Greg has a sister afflicted with the disease. His parents, grandparents, and his other sister and two brothers are not affected. Discussions with relatives in his wife’s family reveal that her paternal grandmother has a brother afflicted by this disease.
If the frequency of the disease allele is 0.16 in this population, what is the chance that Greg’s unaffected sister has an affected child?
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- Question 10 In a population of mountain lions, 9% of the individuals suffer from a disease caused by a recessive allele (aa). Calculate the frequency of both the dominant and recessive alleles. 2. What is the percentage of homozygous dominant individuals and what is the percentage of heterozygous individuals in the population?Question 7 Albinism is caused by an autosomal recessive allele that interferes with skin pigmentation in mammals. Two normally pigmented parents already have an albino boy. They plan to have 2 more children. a) What is the probability that their next two children will be normally pigmented? Show your work. b) What is the probability that their next two children will both have albinism? Show your work. c) What is the probability that, when they have 2 more children, they will end up with a family including a total of 2 albino children and one normal? Show your work. d) What is the probability that, when they have two more children, the next child (i.e. the second-born child) will be normal, followed by a child with albinism? Show your work. e) Explain why the answers to part (c) and part (d) are calculated differently.Question is complete please explain why option B is correct why not D?
- QUESTION 3 3.1. How does interobserver variation contribute to the reliability of test results? 3.2. A liver cancer screening study is being conducted in Rustenberg, South Africa using an alpha- fetoprotein (AFP) blood test. Results indicate that of the 2900 subjects screened, 180 have a positive test result. If 107 of these subjects have liver cancer, what is the positive predictive value of the AFP test? 3.3. Describe the relationship between incidence and prevalanceQuestion:- 1b. If the undertermination thesis is false, then scientific theories can be deduced from observation. The undetermination thesis is false. Therefore, scientific theories can be deduced from observation. This arugment is: (A) Valid but unsound (B) Valid and sound (C) Invaild (D) None of the above 1c. Suppose the best explanation for the origin if the universe is the God. From this it follows that: (A) God Exists (B) God probably exists (C) God is a good explanation for the origin of the universe (D) None of the aboveQUESTION 35 True or false? If a treatment were developed that could extend the lives of lung cancer patients by several years, the incidence of the disease would increase.
- QUESTION 13 Feather color in a certain species of bird is controlled by a pair of alleles that exhibit incomplete dominance. If birds that are homozygous for one allele are black and birds that are homozygous for the other allele are white, then heterozygous birds would be a. gray. b. white. c. black. QUESTION 20 Which of the following might explain how two separate genes control a single trait? a. One gene function better at higher temperatures. b. Both genes have the same alleles. c. There are two genes to control two separate steps in a pathway. d. Two genes cannot control a single trait.QUESTION 18 Describe: Population aging and increased longevity are creating more multi- and intergenerational families in the U.S. Give two examples of ways in which family structure and family roles are changing because of these changes.Question 6 In the first part of the experiment, there were only a few colonies on the streptomycin positive plate. In the second part, there are a large number of colonies on the streptomycin positive plate that was inoculated with the antibiotic resistant strain. What is the most likely explanation for this difference? 1. The antibiotic resistant strain was composed of a large number of individuals with resistance to streptomycin 2. The exposure to streptomycin caused a mutation in a few individuals
- Question 6 If two people with sickle cell trait have children, what is the probability that their children will be more resistant to malaria if exposed to the malaria parasite? a. 0% b. 25% c. 50% d. 75% e. 100%Question 1: Part a: Graph Y = [I] / (Ki + [I]) as a function of [I] and Ki = 2 µM; and describe the molecular situation. What is Y in terms of molecules? Pictures and words. Part b: Graph (1- Y) = Ki / (Ki + [I]) as a function of [I] and Ki = 2 µM; and describe the molecular situation. What is Y in terms of molecules? Hint: (1 - Y) is the part of the whole system that is not Y. Part c: ) Graph IIF = 1 + ([I] / Ki) as a function of [I] and Ki = 2 µM. Part d: What do you notice about the shapes of these graphs? Describe the shapes, compare and contrast the graphs, and suggest insightsQuestion 7 Lactose intolerance is inherited through a recessive allele. A husband and wife both digest lactose properly. However, the wife's Mom is lactose intolerant. The husband's Dad is also lactose intolerant. What is the probability this couple will have children with a lactose intolerance problem? a. 100% b. 75% c. 50% d. 25% e. 0%