What is the most likely mode of inheritance for the trait shown in the following pedigree? This trait is rare and completely penetrant.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN:9781305967359
Author:STARR
Publisher:STARR
Chapter14: Human Inheritance
Section: Chapter Questions
Problem 1GP: Does the phenotype indicated by the red circles and squares in this pedigree show an inheritance...
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What is the most likely mode of inheritance for the trait shown in the following pedigree? This trait is rare and
completely penetrant.
|
I.
II.
III.
IV.
1 2
O
1 2
3
2 3 4
3
4
4
O Y-linked
O autosomal dominant
O autosomal recessive
OX-linked recessive
X-linked dominant
5
6
Transcribed Image Text:What is the most likely mode of inheritance for the trait shown in the following pedigree? This trait is rare and completely penetrant. | I. II. III. IV. 1 2 O 1 2 3 2 3 4 3 4 4 O Y-linked O autosomal dominant O autosomal recessive OX-linked recessive X-linked dominant 5 6
Two unaffected parents, Sam and Liz, have a child who displays an autosomal recessive genetic disorder. Sam and Liz
would like to have four more children. What is the probability that one of those children will be affected and three will
be unaffected?
Use two decimal places for your answer. If your answer is less than 1, list a 0 in the ones place. For example, if your
calculated answer is 0.9781, you should enter 0.98.
Type your answer...
Transcribed Image Text:Two unaffected parents, Sam and Liz, have a child who displays an autosomal recessive genetic disorder. Sam and Liz would like to have four more children. What is the probability that one of those children will be affected and three will be unaffected? Use two decimal places for your answer. If your answer is less than 1, list a 0 in the ones place. For example, if your calculated answer is 0.9781, you should enter 0.98. Type your answer...
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