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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Students have asked these similar questions
Albinism is an autosomal (not sex-linked) recessive trait. A man and woman are both of normal pigmentation and have one child out of three who
is albino (without melanin pigmentation). What are the genotypes of the albino's parents?
Both parents must be homozygous dominant.
Both parents must be heterozygous.
One parent must be homozygous dominant; the other parent must be heterozygous.
One parent must be heterozygous; the other parent can be homozygous dominant, homozygous recessive, or heterozygous.
One parent must be homozygous for the recessive allele; the other parent can be homozygous dominant, homozygous recessive, or heterozygous.
O O O O O
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 normal
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.
The mother of Claudia died from cystic fibrosis, but her father was normal and never had any
relative with CF. Her fiancé, Marcus, turned out to be a carrier of the CF allele.
What are the genotypes of Claudia and Marcus?
Claudia: ________________________ Marcus: _____________________
They planned to have four children. What is the probability that:
a. all children will be normal
b. at least two will be normal
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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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