9. F. A. B. E. C. D. The allele for normal skin pigmentation (A) is dominant to absence of pigmentation (a), albinism. Answer the following questions about the inheritance of this disease. What is the genotype of a woman with normal skin pigmentation who has a baby that is an albino? What is the genotype of the baby in A above? Can 2 people with normally pigmented skin have a baby that is an albino? Explain your answer. If 2 heterozygous people marry, what is the chance that their first child is an albino? Explain your answer. If the first child from E above is an albino, what is the chance the second child is normal? Explain your answer. Can 2 people who are both albinos have a child who is not an albino? Explain your answer. bate 40

9. F. A. B. E. C. D. The allele for normal skin pigmentation (A) is dominant to absence of pigmentation (a), albinism. Answer the following questions about the inheritance of this disease. What is the genotype of a woman with normal skin pigmentation who has a baby that is an albino? What is the genotype of the baby in A above? Can 2 people with normally pigmented skin have a baby that is an albino? Explain your answer. If 2 heterozygous people marry, what is the chance that their first child is an albino? Explain your answer. If the first child from E above is an albino, what is the chance the second child is normal? Explain your answer. Can 2 people who are both albinos have a child who is not an albino? Explain your answer. bate 40

Name: 9.F.A.B.E.C.D.The allele for normal skin pigmentation (A) is dominant
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Description: 9.F.A.B.E.C.D.The allele for normal skin pigmentation (A) is dominant toabsence of pigmentation (a), albinism. Answer the followingquestions about the inheritance of this disease.What is the genotype of a woman with normal skin pigmentationwho has a

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter16: Human Genetics And The Human Genome

Section16.3: Genetic Diseases Caused By Single-gene Mutations

Problem 7LO: State whether each of the following genetic defects is inherited as an autosomal recessive,...

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3. D. A. B. C. 10. Familial hypercholesterolemia is the most common genetic cause of heart disease. It is caused by a dominant factor (C). The recessive factor (c) produces a protein that processes cholesterol normally and leads to a normal risk for heart disease. Answer the following questions about the inheritance of this disease. What is the phenotype of a woman whose genotype is Cc? What is the genotype of a man who has hypercholesterolemia but whose mother did not have the disease? If a man who is heterozygous for the disease marries a woman who is heterozygous for the disease, what is the chance that any child of theirs will inherit the disease? If a man who is homozygous dominant marries a woman who is homozygous recessive, what would you predict for the the genotypes and phenotypes of their children? If the first 2 children from the marriage described in D above have the disease, what is the chance that a third child would be normal? Explain your answer. 41
b. The following diagram shows a family tree of individuals with haemophilia. B i. Based on an X-linked recessive pattern of inheritance, work out the likely genotypes of the individuals indicated by the letters. Individual A Individual B Individual C GENOTYPE ii. If individual C has children with a normal male, what are the chances that they will have haemophilia? Explain your answer fully. iii. If individual C has children with a normal male, what are the chances that their daughters will be carriers of the condition? Explain your answer fully.
E. D. A. B. 11. C. Huntington's disease is a degenerative disease of the nervous system that strikes in middle age. The allele that causes the disease (H) is dominant to the allele that results in the normal condition (h). Answer the following questions about the inheritance of this disease. What is the genotype of a man who is normal but whose father had Huntington's disease? What is the genotype of a woman who has Huntington's disease if both of her parents had Huntington's disease? If a man who is heterozygous for Huntington's disease marries a woman who is normal, what would you expect for the genotypes and phenotypes of their children? If a normal man marries a woman who is homozygous for Huntington's disease, what do you expect for the genotypes and phenotypes of their children? Since Huntington's disease is caused by a dominant allele, does this mean it's also the most common allele in the population? F. Since Huntington's disease is caused by a dominant allele, does this mean…
12. A. B. C. A certain type of migraine headache (M) is dominant to no migraines (m). What is the genotype of a man who has migraine headaches if his father did not have them? What is the genotype of a man who has migraine headaches if his mother did not have them? If a woman without migraines marries a man who is heterozygous for migraines, what would you expect for the genotypes and phenotypes of their children? If two people who are heterozygous for migraines marry and have children, what would you expect for the genotypes and phenotypes of the children.
D. Sex-linked In humans, hemophilia is a sex-linked trait. Females can be normal, carriers, or have the disease. Males will either have the disease or not (but they won't ever be carriers). 1. Show the cross of a man who has hemophilia with a normal woman. What is the probability that their children will have the disease? H H = female, normal H h X X = female, carrier h xxn XHY X" Y 2. A woman who is a carrier marries a hemophiliac man. Show the cross. What is the probability that their children will have hemophilia? What sex will a child in the family with hemophilia be? 3. A woman who has hemophilia marries a normal man. How many of their children will have hemophilia, and what is their sex? = female, hemophiliac = male, normal = male, hemophiliac
A. For the following genotypes state the ABO blood phenotype. JAJA |B|O_ 101⁰_ |A|B_ B. Using genetic diagrams, show how it is possible for a couple with a type A mother and a type B father can have a child with type O blood. C. Using genetic diagrams show how a type AB person with a type O partner have offspring that share neither of their phenotypes.
А. I. For A and B, 1. Identify the type of inheritance. Justify your answer. 2. Decode the genotypes of the individuals in pedigree. (Use for the letter A representation alleles.) of 2 3. List down all affected II individuals. 1 6 7 8 2 4 II 1 2 3 4 5 6 7 8 9 3. B.
C. Pedigree The pedigree shows the passing on of Hemophilia A. 1. What do the shaded circles mean? 2. What are the only sex carriers of colorblindness can be? 3. Which individuals are colorblind? 4. What is the genotype of person II-4? 5. If person IV-5 marries a female who is not colorblind and is not a carrier, what are the chances of their male offspring being colorblind? What about their female offspring? II 56060 IV 1 2 3 4 5 6 7 8
1) Symptoms of 4 disorders are listed. Using the lists given, fill in the correct letter for the condition name and inheritance type. Letters may be used more than once. Symptoms Condition Inheritance Туре Loss of muscle control and decline in mental ability Shades of red and green are hard to distinguish Lack of skin pigmentation Cannot produce one of the necessary blood clotting factors Conditions: Inheritance Type: A: Albinism E: X-linked dominant B: Huntington Disease F: X-linked recessive G: Y-linked C: Hemophilia H: Autosomal dominant I: Autosomal recessive D: CVD
A. Identify the inheritance pattern in the pedigree below (dominant, recessive or sex-linked). B. What are the genotypes for individuals Il- 1 and Ill-2? Use alleles A and/or a for your answer. 4 II 10 IV
IX. The blood of several members of a particular family was determined, and the results are tabulated below. Individual Blood Type Genotype Father Mother B Child 1 AB Child 2 B. Child 3 Grandfather (mother's side) Grandmother (father's side) AB Assuming that no adultery or adoption took place for all generations, answer the following questions: a. Give the most probable genotype for each individual. Supply your answers on the table above. b. What is/are the most probable genotype(s) for the grandmother on the mother's side? c. If the father and the mother decide to have two more children, what is the probability that the first would be female type A and the second male type AB?
2. STATEMENT: A woman and man both do not have sickle-cell anemia, but both had one parent who had sickle cell. Sickle-cell is an autosomal (somatic) recessive trait. a) What is the genotype for the woman, man and each of their parents? b) This couple unexpectedly is going to have their first child. i. What's the probability that their child will have not have sickle cell like the couple? ii. What's the probability that the child will have sickle cell like one the grandparents?