Part 2 What is the probability that the firstborn twin in Generation III will have the trait? 0 01/2 1/3 O 1/4 O 1/6 Part 3 The twins shown in the pedigree are fraternal twins: the result of two eggs fertilized at the same time by two different sperm. What is the probability that both twins will be affected?
Part 2 What is the probability that the firstborn twin in Generation III will have the trait? 0 01/2 1/3 O 1/4 O 1/6 Part 3 The twins shown in the pedigree are fraternal twins: the result of two eggs fertilized at the same time by two different sperm. What is the probability that both twins will be affected?
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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
Transcribed Image Text:Part 2
What is the probability that the firstborn twin in
Generation III will have the trait?
0
O 1/2
O 1/3
O 1/4
O 1/6
Part 3
The twins shown in the pedigree are fraternal
twins: the result of two eggs fertilized at the same
time by two different sperm. What is the
probability that both twins will be affected?
0
O 1/2
O 1/3
O 1/6
O 1/36

Transcribed Image Text:Below is a pedigree of a family with a history of
a disease trait. Individuals with the trait are
filled in.
I.
II.
III.
Part 1
1
1 2 3 4
2
O X-linked dominant
Part 2
Autosomal dominant
Autosomal recessive
What is the mode of inheritance of the trait?
O X-linked recessive
0
1/2
?
●
O 1/3
?
1 2
3
5
What is the probability that the firstborn twin in
Generation III will have the trait?
4
6
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