I-1 I-2 П-1 П-2 П-3 П-4 II-5 П-6 П-7 III-1 Ш-1 III-2 III-3 Ш-3 III-4 FIGURE 25.3 A family pedigree of Huntington disease, indicating dominant inheritance. Because the dominant allele is rare, most affected individuals are heterozygotes. Rare cases of people who are homozy- gous for the disease-causing allele have been reported. Such individuals INTERACTIVE EXERCISE tend to have more severe symptoms.

I-1 I-2 П-1 П-2 П-3 П-4 II-5 П-6 П-7 III-1 Ш-1 III-2 III-3 Ш-3 III-4 FIGURE 25.3 A family pedigree of Huntington disease, indicating dominant inheritance. Because the dominant allele is rare, most affected individuals are heterozygotes. Rare cases of people who are homozy- gous for the disease-causing allele have been reported. Such individuals INTERACTIVE EXERCISE tend to have more severe symptoms.

Name: What feature(s) of this pedigree indicate(s) dominant inheritance? I-1
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Description: What feature(s) of this pedigree indicate(s) dominant inheritance? I-1I-2П-1П-2П-3П-4II-5П-6П-7III-1Ш-1III-2III-3Ш-3III-4FIGURE 25.3 A family pedigree of Huntingtondisease, indicating dominant inheritance. Because thedominant allele is rare, most aff

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter14: Human Inheritance

Section: Chapter Questions

Problem 4GP: An allele responsible for Marfan syndrome Section 13.4 is inherited in an autosomal dominant...

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