Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 16.3, Problem 1C
- • Which of the following genetic diseases is/are inherited as an autosomal recessive trait: phenylketonuria, Huntington’s disease, Tay-Sachs disease?
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Recessive genetic disorders are more frequent than disorders inherited as dominant because :
a) recessive genetic disorders are limited to persons of the same ethnicity
c) dominant genetic disorders are never expressed in males
d) people carrying dominant genetic disorders always die before birth
e ) carriers are not eliminated by the disease before reproduction
What is the most common symptom in a genetic disorder and why?
Do all people exhibit this symptom of a genetic disorder?
Genetic disorders
Complete the following statements to describe several genetic disorders and their symptoms. Choices can be used more than once.
The
disorder called
causes blue-colored skin,
sickle-cell disease
osteogenesis imperfecta
The
disorder called
that leads to weakened, brittle bones.
causes defective collagen
methemoglobinemia
autosomal dominant
The
disorder called
causes abnormally thick
mucus in the bronchial tubes and pancreatic ducts.
autosomal recessive
The
disorder called
leads to progressive
cystic fibrosis
degeneration of neurons in the brain.
alkaptonuria
The
disorder called
causes urine to be black.
Huntington disease
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Chapter 16 Solutions
Biology (MindTap Course List)
Ch. 16.1 - Distinguish between karyotyping and pedigree...Ch. 16.1 - Prob. 2LOCh. 16.1 - Prob. 3LOCh. 16.1 - Prob. 1CCh. 16.1 - Prob. 2CCh. 16.1 - Describe two ways in which genome database...Ch. 16.1 - Prob. 4CCh. 16.2 - Explain how nondisjunction in meiosis is...Ch. 16.2 - Distinguish among the following structural...Ch. 16.2 - Prob. 6LO
Ch. 16.2 - VISUALIZE Draw a simple sketch illustrating how...Ch. 16.2 - Prob. 2CCh. 16.2 - Prob. 3CCh. 16.2 - Prob. 4CCh. 16.3 - State whether each of the following genetic...Ch. 16.3 - Which of the following genetic diseases is/are...Ch. 16.3 - Prob. 2CCh. 16.3 - Prob. 3CCh. 16.4 - Briefly discuss the process of gene therapy,...Ch. 16.4 - Prob. 1CCh. 16.5 - State the relative advantages and disadvantages of...Ch. 16.5 - Distinguish between genetic screening programs for...Ch. 16.5 - Prob. 1CCh. 16.5 - Prob. 2CCh. 16.6 - Prob. 11LOCh. 16.6 - Prob. 1CCh. 16.6 - CONNECT To be expressed, an autosomal recessive...Ch. 16.6 - Prob. 3CCh. 16 - Prob. 1TYUCh. 16 - An abnormality in which there is one more or one...Ch. 16 - The failure of chromosomes to separate normally...Ch. 16 - Prob. 4TYUCh. 16 - Prob. 5TYUCh. 16 - Prob. 6TYUCh. 16 - Prob. 7TYUCh. 16 - Prob. 8TYUCh. 16 - Examine the following pedigrees. Which is the most...Ch. 16 - Examine the following pedigrees. Which is the most...Ch. 16 - Prob. 11TYUCh. 16 - SCIENCE, TECHNOLOGY, AND SOCIETY Imagine that you...Ch. 16 - A common belief about human genetics is that an...Ch. 16 - Prob. 14TYUCh. 16 - EVOLUTION LINK Explain some of the evolutionary...
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- Huntington disease (HD) is a genetic disorder that usually first appears in middle age and, over time, leads to involuntary movements, impaired speech, difficulty swallowing and speaking, and cognitive decline. There is no cure for HD, and affected individuals eventually die, usually after 10 to 15 years of progressively worsening symptoms. Huntington disease is inherited as an autosomal dominant disorder. Presymptomatic genetic testing for HD is available for people with a family history of the disease. Individuals who have a parent with HD have a 50% chance of inheriting the HD gene and eventually having HD. Some of these individuals want to know if they will eventually get the disease, and they undergo presymptomatic genetic testing. Others do not want to know, given that there is no cure or effective treatment for the disease. If you were at risk for HD, would you want to undergo genetic testing? What are some reasons for and against having a genetic test for HD?arrow_forwardAnswer the following questions about the pedigree shown (below). Assume the trait is rare. • What is the most likely mode of inheritance for this pedigree? autosomal recessive What is the most likely genotype of the following individuals? • 1-2? homozygous recessive • Il-1? homozygous dominant • IV-2? [ Select ] • [V-4? [ Select ] 6대 - 100arrow_forwardWhich genotype indicates a carrier of an autosomal recessive trait? bb BB Bbarrow_forward
- Recessive genetic disorders are more frequent than disorders inherited as dominant because : a) carriers are not eliminated by the disease before reproduction b ) people carrying dominant genetic disorders always die before birth c ) dominant genetic disorders are never expressed in males e ) recessive genetic disorders are limited to persons of the same ethnicityarrow_forwardAaBbCcDc AaBbCcD Ac Heading 1 Heading 2 Title Subtitle Subtle Em.. Emphasis Intense E... Strong Quote Int Paragraph Styles 4 Genetic Inheritance Patterns Retinitis pigmentosa (RP) can be autosomal recessive, autosomal dominant, or x-linked. Apparently the dominant forms are often less severe. Eric's form of RP is Usher's Syndrome, which is an autosomal recessive inheritance (i.e., you must get a copy of the defective carried on one of the chromosomes that determines sex. Usher's Type II is recessive, so for Eric this means that both his Mom and Dad are carriers of this condition. His brother, Dirk, does not have any symptoms of RP. gene from your Mom and one from your Dad). Autosomal means it is not Question below short answer approach image you are the genetics counselor, should Eric have children? Imagine he has a daughter (he has two, but both are adopted). What advice would you give Eric if his wife was a carrier from a genetics counseling viewpoint? Describe all the possibilities,…arrow_forward2. 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?arrow_forward
- Q2arrow_forwardA man with hemophilia (X-linked recessive) has two kids: a girl who has a normal phenotype, and a boy who has hemophilia. What is the genotype of the man? What is the genotype of the boy? From which parent did the boy get his X-chromosome? What is the genotype of the girl? • What must be the genotype of their mother? If this same man and woman have more children, what are the chances that a son will be affected?arrow_forward1. What is the phenotype of the genetic disorder? 2. How does it express itself? 3. Does it cause you to be tall? 4. Your liver to function irregularly? 5. Do you feel no pain? 6. Are you born with extra teeth? 7. Does your body odor smell like maple syrup (maple syrup urine disorder)? 8.What does it do to you?arrow_forward
- Construct an imaginary pedigree that represents the inheritance pattern of Groats Disease (not a real disorder) Imagine a family tree detailing the inheritance pattern of Groats Disease (not a real disorder), a condition we'll say follows an autosomal recessive pattern. (It must follow an autosomal recessive pattern). • • In this pedigree include 5 generations, 25 individuals, and 5 affected individuals. Proper Pedigree Notation (circles, squares, shading, etc.) Names, ages, and genotypes for all represented individuals (listed beside or under the representative symbol).arrow_forwardA young lady requested pre-marital genetic counselling because her sister had died in infancy of gangliosidosis, an autosomal recessive disease. What is the risk that this young lady has similarly affected offspring? What advice should be given?arrow_forwardTuberous Sclerosis (TS) is an autosomal dominant genetic disease characterized by seizures, mental retardation, autism, and benign tumors of the brain, heart, skin, and kidneys. The kidney tumors can also be malignant. This disease exhibits a wide range of severity, and only about 1/3 of the cases are inherited. Two different genes have been tightly linked to the disease in families where it is inherited. The remaining 2/3 appear to be due to mutations in one of the 2 genes as well. Overall it appears that 1/2 are caused by mutations in TSC1 and the other half by mutations in TSC2. A rat model for hereditary renal carcinoma (kidney cancer) has been found. Southern and Northern blot analysis of the TSC1 and TSC2 gene revealed no differences between these rats and normal rats. Not all the rats in the strain would get cancer but a significant proportion did and those were selected for and used in experiments. 1. a) What was detected by the Southern blots? (look this up, make your…arrow_forward
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