a) What percent of the above population have cystic fibrosis (cc or q')? b) Calculate the allelic frequencies of p and q for this example. c) Now, calculate the genotypic frequencies for the population.
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- Which of these three scenarios explains overdominancewith regard to the sickle cell allele?What is sickle cell anemia? What is the true inheritance pattern? How did scientists discover the true inheritance pattern?In humans, Rh-positive individuals have the Rh antigen on their red blood cells, while Rh-negative individuals do not. If the Rh-positive phenotype is produced by a dominant gene (A), and the Rh-negative phenotype is due to its recessive allele (a), what is the frequency of the Rh-positive allele if 84% of a population is Rh-positive?
- what are the other system of blood typing besides ABO group? Give at least 3 and what are the modes of inheritance (Autosomal dominant, recessive or sex linked dominant, recessive or multifactorial or mitochondrial) of these blood groups?Familial Mediterranean fever is an inheritable disorder that causes inflammation in the abdomen, chest, or joints. Let F be the dominant allele and let f be the recessive allele. The genotypes of individuals II-4, III-2, and IV-3, respectively, are Select one: a. F_, F_, and F_ b. F_, FF, and Ff c. Ff, F_, and Ff d. F_, Ff, and F_In a hypothetical population, 16% have sickle-cell anemia. The population is in Hardy-Weinberg equilibrium. ( sickle-cell anemia is recessive) What is the frequency of the allele for sickle-cell anemia? What is the frequency of the allele for normal hemoglobin?
- What is an allele is lethal only under certain conditions?Over a thousand different alleles at the CFTR locus have been discovered that can cause cystic fibrosis. What difficulties might the presence of so many different alleles at this locus create for the diagnosis and treatment of cystic fibrosis?When you cross a female carrier for Color Blindness XCXc with a Color Blind male XcY, what is the genotype ratio?
- What factors affect the rate of change in allelic frequency due to naturalselection?What advantage is there for individuals that are heterozygous for the sickle cell character?In a freak coincidence, three babies are born in cars on the way to the same hospital and arrive at the same time. In the confusion, the babies and parents are not matched upon arrival. To assign parentage, blood types are taken and are as follows: Parents I: AB and AB Baby 1: B Parents II: O and B Baby 2: AB Parents III: O and AB Baby 3: O What is the correct assignment of parents to babies? Assume the FUT1 gene is normal for all individuals. A. Parents I and Baby 1, Parents II and Baby 2, Parents III and Baby 3 B. Parents I and Baby 1, Parents II and Baby 3, Parents III and Baby 2 C. Parents I and Baby 2, Parents II and Baby 1, Parents III and Baby 3 D. Parents I and Baby 2, Parents II and Baby 3, Parents III and Baby 1 E. The babies cannot be assigned based on the information given