Duchenne Muscular Dystrophy (DMD) is a disease that manifests in muscle weakness. It exhibits X-linked recessive inheritance pattern. The dystrophin gene is large and can have many different mutations along the DNA. From the following mutations between the gene sequence (DNA template strand) of a healthy male and an affected brother  determine if they would affect the production of mRNA or the sequence of the protein. Base your analysis on the position of the mutation in the transcription unit, and the impact of the change on the codons.    Mutation 1: Position -6    Healthy individual A Affected brother  C Group of answer choices   A. Normal mRNA, normal protein B. No mRNA produced (promoter affected) C. Abnormal mRNA, affected protein D. Normal mRNA, affected protein       Base your analysis on the position of the mutation in the transcription unit, and the impact of the change on the codons.

Essentials of Pharmacology for Health Professions
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ISBN:9781305441620
Author:WOODROW
Publisher:WOODROW
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Duchenne Muscular Dystrophy (DMD) is a disease that manifests in muscle weakness. It exhibits X-linked recessive inheritance pattern. The dystrophin gene is large and can have many different mutations along the DNA.

From the following mutations between the gene sequence (DNA template strand) of a healthy male and an affected brother  determine if they would affect the production of mRNA or the sequence of the protein.

Base your analysis on the position of the mutation in the transcription unit, and the impact of the change on the codons.

  

Mutation 1:

Position -6   

Healthy individual A

Affected brother  C

Group of answer choices
 
A. Normal mRNA, normal protein
B. No mRNA produced (promoter affected)
C. Abnormal mRNA, affected protein
D. Normal mRNA, affected protein
 
 
 

Base your analysis on the position of the mutation in the transcription unit, and the impact of the change on the codons.

Mutation 1
Mutation 2
Mutation 4
Mutation 3
-6
500
1235
1535
Healthy
5'
Individual
3'.
A
AGG
TTT
G
-6
500
1235
1535
5' Affected
brother
3'
C
AGC
ATT
A
Transcribed Image Text:Mutation 1 Mutation 2 Mutation 4 Mutation 3 -6 500 1235 1535 Healthy 5' Individual 3'. A AGG TTT G -6 500 1235 1535 5' Affected brother 3' C AGC ATT A
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