Pedigree of Red-Green Colour Blindness in Humans 2 2 3 6 II 1 2 3 4

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter4: Pedigree Analysis In Human Genetics
Section: Chapter Questions
Problem 9QP: Analysis of Autosomal Recessive and Dominant Traits Using the following pedigree, deduce a...
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Which of the following states a valid conclusion based on the pedigree above?
 
a. Individual I-2 does not carry the red-green colour blindness allele.
b. It is not possible to determine whether individuals III-2 and III-3 are
 

 

Pedigree of Red-Green Colour Blindness in Humans
2
3
4
5
6
II
1 2
3 4
|
Transcribed Image Text:Pedigree of Red-Green Colour Blindness in Humans 2 3 4 5 6 II 1 2 3 4 |
Pedigree Conventions
Identical
twins
Male
Female
Non-identical
twins
Mating
Affected
individuals
Mating between
close relatives
Unaffected
individuals
Roman numerals
I
symbolize generations
Arabic numbers
symbolize individuals
within a given
generation
II
2 3
Birth order, within each
group of offspring, is
drawn left to right,
oldest to youngest
Transcribed Image Text:Pedigree Conventions Identical twins Male Female Non-identical twins Mating Affected individuals Mating between close relatives Unaffected individuals Roman numerals I symbolize generations Arabic numbers symbolize individuals within a given generation II 2 3 Birth order, within each group of offspring, is drawn left to right, oldest to youngest
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