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A mutation in the Pitx1 gene prevents development of pelvic spines in stickleback fish. Analyses of the presence and length of the gene, its mRNA transcript in pelvic tissues, and the protein produced in pelvic tissues show the following results: DNA sequence: normal length mRNA: none protein: none Which of the following is the most likely explanation for the mutation? Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a b C It is a mutation that deletes the entire Pitx1 gene. It is a missense mutation in the Pitx1 coding region that changes a single amino acid. It is a nonsense mutation in the Pitx1 coding region that changes a codon for an amino acid into a stop codon. It is a mutation in an enhancer region of Pitx1 that prevents a transcription factor from binding.

A mutation in the Pitx1 gene prevents development of pelvic spines in stickleback fish. Analyses of the presence and length of the gene, its mRNA transcript in pelvic tissues, and the protein produced in pelvic tissues show the following results: DNA sequence: normal length mRNA: none protein: none Which of the following is the most likely explanation for the mutation? Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a b C It is a mutation that deletes the entire Pitx1 gene. It is a missense mutation in the Pitx1 coding region that changes a single amino acid. It is a nonsense mutation in the Pitx1 coding region that changes a codon for an amino acid into a stop codon. It is a mutation in an enhancer region of Pitx1 that prevents a transcription factor from binding.

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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A mutation in the Pitx1 gene prevents development of pelvic spines in stickleback fish. Analyses of the presence and length of the gene, its mRNA transcript in pelvic tissues, and the protein produced in pelvic tissues show the following results: DNA sequence: normal length mRNA: none protein: none Which of the following is the most likely explanation for the mutation? Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a b It is a mutation that deletes the entire Pitx1 gene. It is a missense mutation in the Pitx1 coding region that changes a single amino acid. It is a nonsense mutation in the Pitx1 coding region that changes a codon for an amino acid into a stop codon. It is a mutation in an enhancer region of Pitx1 that prevents a transcription factor from binding.
Transcribed Image Text:A mutation in the Pitx1 gene prevents development of pelvic spines in stickleback fish. Analyses of the presence and length of the gene, its mRNA transcript in pelvic tissues, and the protein produced in pelvic tissues show the following results: DNA sequence: normal length mRNA: none protein: none Which of the following is the most likely explanation for the mutation? Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a b It is a mutation that deletes the entire Pitx1 gene. It is a missense mutation in the Pitx1 coding region that changes a single amino acid. It is a nonsense mutation in the Pitx1 coding region that changes a codon for an amino acid into a stop codon. It is a mutation in an enhancer region of Pitx1 that prevents a transcription factor from binding.
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