Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 19, Problem 9TY
Summary Introduction
Introduction:
Hemophilia is a genetic disorder in which the clotting of blood after a wound does not occur easily and properly and coagulation of blood takes time. The improper blood clotting can lead to excessive bleeding and infections over time and hence the death of an individual. This disease is also known as the royal disease as Queen Victoria was believed to have been a carrier of the disease.
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a. What is the mode of inheritance for this rare disease?
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Chapter 19 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 19 - If you might be a carrier of a gene for an...Ch. 19 - Prob. 2QCCh. 19 - Prob. 1CRCh. 19 - Prob. 2CRCh. 19 -
3. Distinguish between genotype and phenotype.
Ch. 19 - Describe the contributions of Mendel to the field...Ch. 19 - Explain how alterations of chromosome number and...Ch. 19 - Prob. 6CRCh. 19 - Prob. 7CRCh. 19 - Describe what is meant by sex-linked inheritance.
Ch. 19 -
9. Explain why lethal diseases caused by dominant...Ch. 19 - Prob. 10CRCh. 19 - All of the following statements about homologous...Ch. 19 - Prob. 2TYCh. 19 -
3. Which of the following statements correctly...Ch. 19 - Prob. 4TYCh. 19 - Prob. 5TYCh. 19 - Prob. 6TYCh. 19 - Prob. 7TYCh. 19 - Which of the following results in the separation...Ch. 19 - Prob. 9TYCh. 19 - Prob. 10TYCh. 19 - What tool is used to determine the probabilities...Ch. 19 - Prob. 12TYCh. 19 - What is the basis for the tremendous genetic...Ch. 19 - Prob. 14TYCh. 19 -
15. Which of the following events or processes...Ch. 19 -
1. What fraction of the offspring of two...Ch. 19 -
2. Why is it that the range of resting blood...Ch. 19 - Prob. 3AWKCh. 19 - Geneticists often study patterns of gene transfer...Ch. 19 - Prob. 5AWKCh. 19 - Prob. 6AWKCh. 19 - Nondisjunction during meiosis can lead to the...
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- What is the likelihood that a parent with Type AB blood would have a child with Type O blood?a. 50%b. 25%c. 0%d. This can’t be determined without knowing the blood type of the other parent.arrow_forwardIn humans, hemophilia is an x- linked recessive condition characterized by the inability of blood to clot normally. A woman who is a carrier for hemophilia marries a man who has hemophilia. What proportion of their male children will have hemophilia. A. 0%b. 25%C.50%d. 75%e. 100%arrow_forwardidentify if it is True or False 1. ABO Blood Group show codominance. 2. Alleles are different forms of genes. 3. Sex-linked inheritance means that only the X-chromosomes are affected. 4. The carriers of hereditary materials are the genes. 5. Hemophilia is a sex-linked trait.arrow_forward
- Based on the genotypes presented here, what would be the phenotypic ratio of the F1 generation? A. 3 hemophilia: 1 non- hemophilia b. 4 hemophilia: 0 non- hemophilia c. 1 hemophilia: 3 non hemophilia d. 2 hemophilia: 2 non- hemophiliaarrow_forwardA man with type A blood marries a woman with type A blood. Their first child has type O blood.What is the probability that their next child will have type A blood?A. 0.5 B. 0.25 C. 0 D. 0.75 E. 1.0arrow_forwardA woman with blood type AB marries a man with blood type B. They have a child of blood type A. What is the probability that their next child will have blood type o? Group of answer choices A. 50% B. 75% C. 25% D. 0arrow_forward
- A woman is a carrier for the color-blindness gene, found on the X chromosome. She does not have color blindness, however. What are the chances that her female child will also inherit this gene? a. no chance (0%) b. 1 in 4 chance (25%) c. 2 in 4 chance (50%) d. 100% chancearrow_forwardConsider a woman whose brother has hemophilia A but whose parents are healthy. What is the chance that she has inherited the hemophilia allele? What is the chance that the woman will conceive a son with hemophilia?arrow_forwardA normally pigmented man marries a normally pigmented woman (they each have an albino mother). What is the probability that a child of theirs will be normally pigmented? Select one: a. 50% b. 100% c. 75% d. 0% e. 25%arrow_forward
- A man who is color-blind marries and has children by a woman who has normal color vision. The woman’s father had normal color vision but her mother was color-blind. Color-blindness is an X-linked recessive disorder. What are the chances that this man and woman will give birth to a color-blind girl (restated: of all the possible children, how many would be female and color-blind)? a. None b. 25% c. 50% d. 75% e. 100%arrow_forward, use the following information: type A hemophilia, a disorder in which blood does not clot properly, is governed by a recessive allele on the X chromosome. Suppose a healthy woman is a carrier and marries a man with hemophilia A, and they are expecting a child. Use XH = normal clotting, Xh = hemophilia. What is the chance the child will be male? What is the chance the child will be a male with hemophilia? What is the chance the child will be a female with hemophilia?arrow_forwardwhich is male with small testes, enlarged breasts, The genotype XXY corresponds to and decrease in body hair. a. Turner syndrome O b. Triplo-X Oc. Klinefelter syndrome d. Jacob syndromearrow_forward
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