Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 13.4, Problem 1SB
A man has Simpson syndrome, an addiction to a certain television show. His wife does not have this syndrome. This couple has four children, two boys and two girls. One of the boys and one of the girls has this syndrome; the other children are normal. Can Simpson syndrome be an autosomal recessive trait? A sex-linked recessive trait?
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Chapter 13 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 13.1 - You want to determine whether genes a and b are...Ch. 13.2 - You have a true-breeding strain of...Ch. 13.3 - What mechanisms are responsible for: (a)...Ch. 13.4 - A man has Simpson syndrome, an addiction to a...Ch. 13.4 - Prob. 2SBCh. 13.5 - Prob. 1SBCh. 13 - In humans, redgreen color blindness is an X-linked...Ch. 13 - The following pedigree shows the pattern of...Ch. 13 - Individuals affected by a condition known as...Ch. 13 - A number of genes carried on the same chromosome...
Ch. 13 - Prob. 5TYKCh. 13 - Discuss Concepts Can a linkage map be made for a...Ch. 13 - In Drosophila, two genes, one for body color and...Ch. 13 - Another gene in Drosophila determines wing length....Ch. 13 - Prob. 9TYKCh. 13 - You conduct a cross in Drosophila that produces...Ch. 13 - Discuss Concepts Crossing-over does not occur...Ch. 13 - Prob. 12TYKCh. 13 - Prob. 13TYKCh. 13 - Prob. 14TYKCh. 13 - Prob. 1ITDCh. 13 - Prob. 2ITDCh. 13 - Prob. 3ITDCh. 13 - Prob. 4ITD
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- Cystic fibrosis (CF) is an autosomal recessive condition triggered by the overproduction of sticky mucus that clogs the lungs and pancreas. It is a life-threatening disease, but medical advances helped the afflicted to live through adulthood. Betty's mother died from cystic fibrosis, but her father was normal and never had any relative with CF. Her fiancé, Jones, turned out to be a carrier of the CF allele. What are the genotypes of Betty and Jones? 1. Betty: ________________________ 2. Jones: _____________________ They planned to have four children. What is the probability that: 3. all children will be normal 4. at least two will be normalarrow_forwardTarzan and Jane are both normal, but their first child is affected with heroism, an autosomal recessive trait. If they have three more children, what is the probability that all three will be affected?arrow_forwardA couple named Bob and Brené have 2 children: Angela (female) and Arnold (male). Arnold has sickle cell anemia, a disorder that arises from two recessive alleles of the beta globin gene.Genetic tests have revealed that Bob’s father Denzel has the recessive allele, but Bob’s mother Diane does not. Brené’s father Charlie does not have the recessive allele and her mother Candie was never tested, so we don’t know her genotype.A) Draw out the pedigree for this family and indicate each person’s name. Write out all the possible genotypes for each person (use “A” to represent a dominant allele of the gene and “a” to represent a recessive allele of the gene) and the probability that each person is each of those genotypes.arrow_forward
- Albinism is an autosomal recessive disorder. If a non-carrier normal male mates with an albino female, what percentage of their children will be albino? What percentage of their offspring will be normal, but carriers for the condition?arrow_forwarda man has simpson syndrome, an addiction to certain television series. his wife does not have this syndrome. the couple has four children. A) can this syndrome be caused by autosomal recessive gene? B) Can it be caused by an x linked recessive allele ? C) What about wiggly ears?arrow_forwardOne form of the bleeding disorder known as von Willebrand disease is an autosomal recessive disease. A man who is a carrier marries a woman who is also a carrier of the disease. (a) What percentage of their children are likely to have a disease phenotype? (b) What percentage of their children are likely to have a normal phenotype? (c) What percentage of their children are likely to be carriers of the disease?arrow_forward
- Albinism is a recessive trait. Two individuals who both have normal pigmentation have one child out of three who has albinism (without melanin pigmentation). What are the genotypes of this child's parents?arrow_forwardhemophilia is a sex linked recessive disease. Dick does not have hemophilia. His wife Debi is a heterozygote. They are having fraternal twins, one of each sex, who they have named Dick Jr. and Debi Jr. What are the chances of Dick Jr. having hemophilia? Debi Jr.?arrow_forwardFor sex-linked recessive traits, only females can be “carriers”, like how both Diana and Olivia are carriers for hemophilia. Why can’t males be carriers for these traits?arrow_forward
- Huntington's disease is an inherited autosomal dominant disorder that can affect both men and women. Imagine a couple has had seven children, and later in life, the husband develops Huntington's disease. He is tested and it is discovered he is heterozygous for the disease allele, Hh. The wife is also genetically tested for the Huntington's disease allele, and her test results show she is unaffected, hh. What is the percent probability that the first child of this couple will have Huntington's disease? probability: % What is the percent probability that two of the seven children will have Huntington's disease? probability: %arrow_forwardYOUR SISTER DIED FROM TAY-SACHS DISEASE, INHERITED AS A RECESSIVE ALLELE (t). you're married and planning to start your family. you're worried about the disease and decide to have genetic testing to see if you or your spouse is a carrier of the tay-sachs allele. the test results show that you're a carrier of the allele, but your spouse isn't. what is the probability that you and your spouse will have a child with tay-sachs disease? show your work.arrow_forwardA patient has two parents with Huntington's disease. They may not have inherited this autosomal dominant disorder due to: 1) increased DNA repeats (CAG) during spermatogenesis O2) incomplete penetrance 3) inheriting one recessive allelearrow_forward
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