ing pedigree. Solid symbols represent individuals affected by the trait. Assume complete penetrance and non-variable expressivity. II 3 Ó O 4 5 6 III 1 2 3 a) what is the mode of inheritance of this trait? b) Does the ratio of affected to unaffected offspring in generation IlI-1 to III-4 match the expected ratio for this mode of inheritance? Explain your answer in terms of the exxpected ratio versus the ratio observed. Give a reason for your answer. No mark is assigned for yes or no
ing pedigree. Solid symbols represent individuals affected by the trait. Assume complete penetrance and non-variable expressivity. II 3 Ó O 4 5 6 III 1 2 3 a) what is the mode of inheritance of this trait? b) Does the ratio of affected to unaffected offspring in generation IlI-1 to III-4 match the expected ratio for this mode of inheritance? Explain your answer in terms of the exxpected ratio versus the ratio observed. Give a reason for your answer. No mark is assigned for yes or no
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:Consider the following pedigree. Solid symbols represent individuals affected by the trait. Assume complete penetrance and non-variable
expressivity.
II
3
4
III
1 2 3
5 6
a) what is the mode of inheritance of this trait?
b) Does the ratio of affected to unaffected offspring in generation III-1 to 1II-4 match the expected ratio for this mode of inheritance?
Explain your answer in terms of the expected ratio versus the ratio observed. Give a reason for your answer. No mark is assigned for yes or no)
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