HUMAN BIOLOGY + VIRTUAL PAC
16th Edition
ISBN: 9781264359028
Author: Mader
Publisher: MCG/CREATE
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Chapter 21.3, Problem 2CYP
Summary Introduction
To analyze:
The chances of having a child with cystic fibrosis for parents who are homozygous normal for it.
Introduction:
Cystic fibrosis is a genetic disorder i.e. it is can be passed on from the parents to the offspring. It is inherited in recessive manner which means that an individual should have two recessive alleles of the gene for being diagnosed with cystic fibrosis. Even if one of the allele is dominant, it will mask the effect of the recessive allele and the
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Chapter 21 Solutions
HUMAN BIOLOGY + VIRTUAL PAC
Ch. 21.1 - Distinguish between a genotype and a phenotype.Ch. 21.1 - Define allele, gene, dominant, and recessive as...Ch. 21.1 - Prob. 3LOCh. 21.1 - Define the following terms:Â gene, allele, locus,...Ch. 21.1 - Prob. 2CYPCh. 21.1 - Prob. 3CYPCh. 21.2 - Prob. 1LOCh. 21.2 - Calculate the probability of a specific genotype...Ch. 21.2 - Prob. 1CYPCh. 21.2 - Prob. 2CYP
Ch. 21.2 - Using a dihybrid cross as an example (see Fig....Ch. 21.3 - Interpret a human pedigree to identify the pattern...Ch. 21.3 - Prob. 2LOCh. 21.3 - Solve the following: In a pedigree, all the...Ch. 21.3 - Prob. 2CYPCh. 21.3 - Explain why some incidences of autosomal recessive...Ch. 21.4 - Prob. 1LOCh. 21.4 - Prob. 2LOCh. 21.4 - Prob. 3LOCh. 21.4 - Prob. 1BTSCh. 21.4 - Prob. 2BTSCh. 21.4 - Prob. 1CYPCh. 21.4 - Prob. 2CYPCh. 21.4 - Discuss the potential evolutionary advantages of...Ch. 21.5 - Prob. 1LOCh. 21.5 - Prob. 2LOCh. 21.5 - Prob. 1CYPCh. 21.5 - Prob. 2CYPCh. 21.5 - Discuss why X-linked disorders are more common...Ch. 21.5 - Prob. 1BTSCh. 21.5 - Prob. 2BTSCh. 21 - Prob. 1ACh. 21 - 2. Which of the toll awing terms refers to...Ch. 21 - Prob. 3ACh. 21 - Prob. 4ACh. 21 - 5. The genotype of an individual with the dominant...Ch. 21 - Prob. 6ACh. 21 - Prob. 7ACh. 21 - Prob. 8ACh. 21 - Which of the following disorders is caused by a...Ch. 21 - Prob. 10ACh. 21 - Prob. 11ACh. 21 - Prob. 12ACh. 21 - Which of the following terms may be used to...Ch. 21 - Prob. 14ACh. 21 - Prob. 15ACh. 21 - Prob. 1TCCh. 21 - Prob. 2TCCh. 21 - Prob. 3TC
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- Describe and discuss the genetics of the following inherited disorders:A. Cystic FibrosisB. Sickle cell diseaseC. AchondroplasiaD. Huntington’s diseasearrow_forwardWhy is the chances of having a child with down's syndrome increases if the age of mother exceed forty year?arrow_forwardA) Is it ever possible for two unaffected parents (they are average height) to have a child with achondroplasia? Explain your answer. B) Is it possible for two parents with achondroplasia to have a average height son (if so how often would you expect to see if occur-give ratios)? Explain your answer and explain how often this could happenarrow_forward
- Define syndromearrow_forwardA certain couple has six children – four boys (ages 2yr, 5yrs, 9yrs and 11yrs old) and two girls (ages 5yrs and 7yrs old). The oldest boy shows the symptoms of Duchenne Muscular Dystrophy (DMD). What are the chances of their other children developing the disease?arrow_forwardWhat are newest advances in early diagnosis and confirmation of Huntington disease? Explain the difference in inheritance pattern and the frequency to have affected progeny in the case of these three inherited diseases: Huntington, Cystic fibrosis and Duchenne muscular dystrophy. What therapies can be used or recommended for patients experiencing any of these inherited diseases?arrow_forward
- Describe two potential problems resulting frombleeding.arrow_forwardCan 2 albino parents have a normal child? Explain.arrow_forwardWhat is Down's syndrome? Give its symptoms and cause. Why is it that the chances of having a child with Down's syndrome increases if the age of the mother exceeds forty years?arrow_forward
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