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8. You are studying the biochemical pathway of purrine production. (Purrines are a type of nucleotide used in feline DNA, a little different than the purines in the DNA of lower species like humans.) You have several mutants that cannot make purrine, and you do complementation tests to see how many different genes you've identified. Here are your data: mutant 1 2 3 7 8 9. 1 2 4 6. 7 8 + a) What is the deal with mutant #1 and why must you ignore it when figuring out complementation groups? b) For the rest of the problem, ignore mutant #1. List your complementation groups. Hint: every single one of your mutants (except #1 of course) must be in a group. c) How many genes did you, therefore, identify?

8. You are studying the biochemical pathway of purrine production. (Purrines are a type of nucleotide used in feline DNA, a little different than the purines in the DNA of lower species like humans.) You have several mutants that cannot make purrine, and you do complementation tests to see how many different genes you've identified. Here are your data: mutant 1 2 3 7 8 9. 1 2 4 6. 7 8 + a) What is the deal with mutant #1 and why must you ignore it when figuring out complementation groups? b) For the rest of the problem, ignore mutant #1. List your complementation groups. Hint: every single one of your mutants (except #1 of course) must be in a group. c) How many genes did you, therefore, identify?

Human Anatomy & Physiology (11th Edition)
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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8. You are studying the biochemical pathway of purrine production. (Purrines are a type of nucleotide used in feline DNA, a little different than the purines in the DNA of lower species like humans.) You have several mutants that cannot make purrine, and you do complementation tests to see how many different genes you've identified. Here are your data: mutant 1 4 6 8 1 3 4 5 + 6 + + + 8. + + 9 + a) What is the deal with mutant #1 and why must you ignore it when figuring out complementation groups? b) For the rest of the problem, ignore mutant #1. List your complementation groups. Hint: every single one of your mutants (except #1 of course) must be in a group. c) How many genes did you, therefore, identify?
Transcribed Image Text:8. You are studying the biochemical pathway of purrine production. (Purrines are a type of nucleotide used in feline DNA, a little different than the purines in the DNA of lower species like humans.) You have several mutants that cannot make purrine, and you do complementation tests to see how many different genes you've identified. Here are your data: mutant 1 4 6 8 1 3 4 5 + 6 + + + 8. + + 9 + a) What is the deal with mutant #1 and why must you ignore it when figuring out complementation groups? b) For the rest of the problem, ignore mutant #1. List your complementation groups. Hint: every single one of your mutants (except #1 of course) must be in a group. c) How many genes did you, therefore, identify?
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