-1 is heterozygous for a dominant allele %3D Dominant traits almost always appear in each generation Affected individuals all have an affected parent. Dominant autosomal traits appear equally 2 5 7 10 11

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Pedigree Analysis

(b) Autosomal Dominant Trait
-1 is heterozygous for
a dominant allele
Dominant traits almost
always appear in each
generation
Affected individuals all
have an affected parent.
Dominant autosomal
traits appear equally
in both sexes
3
10
11
Transcribed Image Text:(b) Autosomal Dominant Trait -1 is heterozygous for a dominant allele Dominant traits almost always appear in each generation Affected individuals all have an affected parent. Dominant autosomal traits appear equally in both sexes 3 10 11
O Female
Male
Sex unknown
Affected individuals
Parents (unrelated)
Consanguineous parents (related)
Offspring (in birth order)
3
Fraternal (dizygotic) twins
(sex may be the same or different)
Identical (monozygotic) twins
(sex must be the same)
Multiple individuals (unaffected)
Proband (in this case, a male)
Deceased individual (in this case, a female)
Heterozygous carriers
I, II, II, etc. Successive generations
Transcribed Image Text:O Female Male Sex unknown Affected individuals Parents (unrelated) Consanguineous parents (related) Offspring (in birth order) 3 Fraternal (dizygotic) twins (sex may be the same or different) Identical (monozygotic) twins (sex must be the same) Multiple individuals (unaffected) Proband (in this case, a male) Deceased individual (in this case, a female) Heterozygous carriers I, II, II, etc. Successive generations
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