Consider the pedigree below of a dominant autosomal trait. Which individual must be non-penetrant? Select all that apply. I-1 I-2 II-1 II-2 II-3 II4 II-5 III-1 III-2 III-3 III 4 III-5 IV-1 IV-2 IV-3 III-2 1-2 Il-5 III-1 O IV-2 IV-1 O IV-3 Il-4 口 口 O O O O O O
Consider the pedigree below of a dominant autosomal trait. Which individual must be non-penetrant? Select all that apply. I-1 I-2 II-1 II-2 II-3 II4 II-5 III-1 III-2 III-3 III 4 III-5 IV-1 IV-2 IV-3 III-2 1-2 Il-5 III-1 O IV-2 IV-1 O IV-3 Il-4 口 口 O O O O O O
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter10: From Proteins To Phenotypes
Section: Chapter Questions
Problem 1CS: A couple was referred for genetic counseling because they wanted to know the chances of having a...
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Transcribed Image Text:Consider the pedigree below of a dominant autosomal trait. Which individual must be non-penetrant? Select all that apply.
I-1
T-2
I-1I-2 13 I-4
II-5
III-3
IV-1 IV-2
IV-3
III-2
1-2
Il-5
IIl-1
[V-2
IV-1.
IV-3
Il-4
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Step 1
A non-penetrant trait is the genetic trait that is present in the genome but does not shows any phenotype or condition. The trait does not manifests itself in the individual. Such traits has tendency to skip generation.
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