PRIN OF ANATOMY & PHYS 16E 2 SEM ACCESS
16th Edition
ISBN: 9781119704607
Author: Tortora
Publisher: WILEY
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Chapter 29, Problem 2CTQ
Jack has hemophilia, which is a sex-linked blood-clotting disorder. He blames his father for passing on the gene for hemophilia. Explain to Jack why his reasoning is wrong. How can Jack have hemophilia if his parents do not?
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Determine the probability of a hemophiliac son with brown eyes being born when the father has blue eyes and does not have hemophilia, the mother is has brown eyes and does not have hemophilia, the mother's father has blue eyes and hemophilia. Please back up your answer with a full Punnett square.
A phenotypically normal man, who has a hemophiliac brother, marries a normal woman, who is not a carrier. What is the probability that any of their children will be hemophiliac?
Hemophilia is due to a sex-linked gene. It is recessive and found on the X chromosome. A woman who is a carrier for hemophilia marries a normal man. What will be the possible phenotypes of their children? (use the letter “H”)
Chapter 29 Solutions
PRIN OF ANATOMY & PHYS 16E 2 SEM ACCESS
Ch. 29 - 1. What is pregnancy?
Ch. 29 - 2. What are the major events of each trimester?
Ch. 29 - Prob. 3CPCh. 29 - How is polyspermy prevented?Ch. 29 - Prob. 5CPCh. 29 - Describe the layers of a blastocyst and their...Ch. 29 - Prob. 7CPCh. 29 - 8. What are the functions of the trophoblast?
Ch. 29 - How is the bilaminar embryonic disc formed? ^Ch. 29 - Prob. 10CP
Ch. 29 - Prob. 11CPCh. 29 - When does gastrulation occur?Ch. 29 - Prob. 13CPCh. 29 - Prob. 14CPCh. 29 - Describe how neurulation occurs. Why is it...Ch. 29 - Prob. 16CPCh. 29 - Prob. 17CPCh. 29 - 18. How does the placenta form?
Ch. 29 - Prob. 19CPCh. 29 - Prob. 20CPCh. 29 - What is the origin of the structures of the head...Ch. 29 - Prob. 22CPCh. 29 - What changes occur in the limbs during the second...Ch. 29 - What are the general developmental trends during...Ch. 29 - Prob. 25CPCh. 29 - 26. What are some of the symptoms of fetal alcohol...Ch. 29 - How does cigarette smoking affect embryonic and...Ch. 29 - What conditions can be detected using fetal...Ch. 29 - List the hormones involved in pregnancy, and...Ch. 29 - 30. What structural and functional changes occur...Ch. 29 - 31. Which changes in pregnancy have an effect on...Ch. 29 - Prob. 32CPCh. 29 - Prob. 33CPCh. 29 - What happens during the stage of dilation, the...Ch. 29 - Why are respiratory and cardiovascular adjustments...Ch. 29 - Which hormones contribute to lactation? What is...Ch. 29 - Prob. 37CPCh. 29 - What do the terms genotype, phenotype, dominant,...Ch. 29 - What are genomic imprinting and nondisjunction?Ch. 29 - Give an example of incomplete dominance.Ch. 29 - 41. What is multiple-allele inheritance? Give an...Ch. 29 - Define complex inheritance and give an example.Ch. 29 - 43. Why does X-chromosome inactivation occur?
Ch. 29 - Kathy is breastfeeding her infant and is...Ch. 29 - 2. Jack has hemophilia, which is a sex-linked...Ch. 29 - Alisa has asked her obstetrician to save and...
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- A form of hemophilia is caused by a sex-linked (X-linked) recessive gene. A phenotypically normal woman whose father had hemophilia marries a man who suffers with hemophilia. What is the probability that their first daughter will have hemophilia?arrow_forwardA man with sickle-cell anemia is considering marriage. He is worried that his children might be born with sickle-cell anemia. What questions should he ask his fiancée?arrow_forwardwhich of the following multiple choice?arrow_forward
- John has alkaptonuria; it "runs in the family". John and his grandmother are both homozygous for alkaptonuria. John's grandmother has two brothers and a sister. One of the brothers had alkaptonuria and his daughter is John's mother. Based on this information, John's parents are:arrow_forwardA man with hemophilia has a daughter of normal phenotype. She marries a man who is normal for the trait. The probability of their son to be a hemophiliac is 1/4. Its true or false? Explain.arrow_forwardIf Zoe who has type B blood marries Steve who has type AB blood, what percent of their children should have type A blood?arrow_forward
- If Brittany is blood type O− and her husband is blood type AB−, what effect can the Rh factor have on their second child?arrow_forwardJan and Michael are both carriers for the cystic fibrosis allele. If Jan and Michael have five children, what the probability that three or more of the children will have the disease?arrow_forwardHemophilia A, a condition in which blood does not clot properly, is a recessive trait located on the X chromosome (Xh). A woman heterozygous for the trait marries a normal male. What is the probability that this couple will have hemophiliac daughters? What is the probability that this couple will have hemophiliac sons?arrow_forward
- Hemophilia is a sex-linked recessive trait. A male hemophiliac and phenotypically normal female have a son with hemophilia. They would like to have one more child. What is the probability of having a child without hemophilia? Explain using a Punnett square. Is it possible for a girl to be born with hemophilia? Explain.arrow_forwardBarbara and John have two daughters (Madison and Kelly), and one son (Mike), all have normal red blood cells. Their other son (Chase) has been diagnosed with sickle cell. Barbara recently gave birth to another son (Barry) who also has been diagnosed with sickle cell. Barbara’s mother (Beth) has sickle cell, but her father (Jason), three sisters (Emma, Lori, and Allison), and two brothers (Emmitt and Will) are all normal. John’s father (Jim), mother (Brenda), and brother (Parker) are all normal, but his sister (Demi) has sickle cell. John’s maternal grandparents (Bill and Lonna) are carriers. Barbara’s paternal grandparents (Kevin and Martha) are all normal. make an pedigreearrow_forwardBarbara and John have two daughters (Madison and Kelly), and one son (Mike), all have normal red blood cells. Their other son (Chase) has been diagnosed with sickle cell. Barbara recently gave birth to another son (Barry) who also has been diagnosed with sickle cell. Barbara’s mother (Beth) has sickle cell, but her father (Jason), three sisters (Emma, Lori, and Allison), and two brothers (Emmitt and Will) are all normal. John’s father (Jim), mother (Brenda), and brother (Parker) are all normal, but his sister (Demi) has sickle cell. John’s maternal grandparents (Bill and Lonna) are carriers. Barbara’s paternal grandparents (Kevin and Martha) are all normal Paternal = a person’s dad’s side of the family Maternal = a person’s mom’s side of the family 1. Draw a pedigree to show how this trait could affect this family within each generation 2. Shade all individuals affected with the disorder. Half shade all carriers. 3. Assign genotypes to every individual. Use Punnett squares to…arrow_forward
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