Human Biology
15th Edition
ISBN: 9781259689796
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
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Chapter 21, Problem 7A
Summary Introduction
Introduction:
Cystic fibrosis is an “autosomal recessive disorder” caused due to defective channel of chloride ions 
which is encoded by chromosome 7, CFTR allele. In such case the 
fails to through plasma membrane which results in lack of water and cause thickening of intestine, pancreatic duct and often results in respiratory disorders.
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Chapter 21 Solutions
Human Biology
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. 21.2 - Prob. 1LOCh. 21.2 - Calculate the probability of a specific genotype...Ch. 21.3 - Interpret a human pedigree to identify the pattern...Ch. 21.3 - Prob. 2LOCh. 21.3 - Prob. 1BTBCh. 21.3 - Prob. 2BTBCh. 21.4 - Prob. 1LO
Ch. 21.4 - Prob. 2LOCh. 21.4 - Prob. 3LOCh. 21.5 - Prob. 1LOCh. 21.5 - Prob. 2LOCh. 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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