Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 12.2, Problem 2CC
Neither Tim nor Rhoda has Duchenne muscular dystrophy, but their firstborn son does have it. What is the probability that a second child of this couple will have the disease? What is the probability if the second child is a boy? A girl?
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Chapter 12 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 12.1 - Which one of Mendels laws relates to the...Ch. 12.1 - MAKE CONNECTIONS Review the description of meiosis...Ch. 12.1 - WHAT IF? Propose a possible reason that the first...Ch. 12.2 - A white-eyed female Drosophila is mated with a...Ch. 12.2 - Neither Tim nor Rhoda has Duchenne muscular...Ch. 12.2 - MAKE CONNECTIONS Consider what you learned about...Ch. 12.3 - When two genes are located on the same chromosome,...Ch. 12.3 - For each type of offspring of the testcross in...Ch. 12.3 - WHAT IF? Genes A, B, and C are located on the same...Ch. 12.4 - About 5% of individuals with Down syndrome have a...
Ch. 12.4 - WHAT IF? The ABO blood type locus has been mapped...Ch. 12.4 - MAKE CONNECTIONS The gene that is activated on the...Ch. 12.4 - Women born with an extra X chromosome (XXX) are...Ch. 12 - A man with hemophilia (a recessive, sex-linked...Ch. 12 - Pseudohypertrophic muscular dystrophy is an...Ch. 12 - A space probe discovers a planet inhabited by...Ch. 12 - Using the information from problem 3, scientists...Ch. 12 - A man with red-green color blindness (a recessive,...Ch. 12 - You design Drosophila crosses to provide...Ch. 12 - A wild-type fruit fly (heterozygous for gray body...Ch. 12 - Assume that genes A and B are 50 map units apart...Ch. 12 - Prob. 9TYUCh. 12 - SCIENTIFIC INQUIRY DRAW IT Assume you are mapping...Ch. 12 - FOCUS ON EVOLUTION Crossing over is thought to be...Ch. 12 - FOCUS ON INFORMATION The continuity of life is...Ch. 12 - SYNTHESIZE YOUR KNOWLEDGE Butterflies have an X-Y...
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- Mrs. Dela Cruz suffers cystic fibrosis and married a carrier for the disease. What is the percentage that their offspring will express the disease?arrow_forwardCathy is pregnant for the second time. Her first child, Donald, has cystic fibrosis. Cathy has two brothers Charles and Colin, and a sister, Cindy. Colin and Cindy are unmarried. Charles is married to an unrelated woman, Carolyn, and has a 2-year old daughter, Debbie. Cathy's parents are Bob and Betty. Betty's sister Barbara is the mother of Cathy's husband, Calvin, who is 25. There is no previous family history of CF. Assume that everyone in this family is of Northern European Origin. A. Sketch the pedigree, using standard symbols. B. What is the pattern of transmission of CF, and what is the risk for CF for Cathy's next child? C. Which people in this pedigree are compound heterozygotes? D. What is the chance of Charles having a child with cystic fibrosis? Show your work.arrow_forwardCathy is pregnant for the second time. Her first child, Donald, has cystic fibrosis. Cathy has two brothers Charles and Colin, and a sister, Cindy. Colin and Cindy are unmarried. Charles is married to an unrelated woman, Carolyn, and has a 2-year old daughter, Debbie. Cathy's parents are Bob and Betty. Betty's sister Barbara is the mother of Cathy's husband, Calvin, who is 25. There is no previous family history of CF. Assume that everyone in this family is of Northern European Origin. D. What is the chance of Charles having a child with cystic fibrosis? Show your work.arrow_forward
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- Marly is doing a paternity test to determine who could be her father. She is going just off of word of mouth for now so there is no way for her to figure out the genotypes of ther potential fathers. She knows for certain that she is type A with the genotype (A^I A^i). Her potential fathers are Gayle who is a Type O, Jake who is type A,and Mark who is Type AB. Who could be the potential father?arrow_forwardHemophilia 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”)arrow_forwardMuscular dystrophy is a group of disorders that involve muscle m weakness and loss of muscle tissue that get worse overtime. A homozygous normal female has children with a male who has muscular dystrophy. What is the probability that they will have a child who is both MALE and HAS MUSCULAR DYSTROPHY?arrow_forward
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