Below is a diagram oT a gene that is not normally alternatively spliced. All Tour exons (represented as boxes) are found in the mature MRNA. Transcription starts at the arro labeled TSS, transcription stops at the line labeled TT, and the promoter location is indicated by the line. The indicated DNA sequences for two individuals are found within exon 2 as indicated, with Individual 2 having a mutation. Both sequences are in-frame with the upstream start codon. ATG ТАА Promoter (Start codon) (Stop codon) TSS TT Individual 1 5' ACAGGAGGAATAAGTTATGCA 3' Individual 2 5' ACAGGAGGAATAAGTTAAGCA 3 Part 1 You isolate the mature mRNAs for each individual and run them on a northern blot. Compared with the mRNA for Individual 1, you find that the mRNA for Individual 2 is more abundant. the same length. shorter. alternatively spliced. o000

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Below is a diagram of a gene that is not normally alternatively spliced. All four exons (represented as boxes) are found in the mature mRNA. Transcription starts at the arrow
labeled TSS, transcription stops at the line labeled TT, and the promoter location is indicated by the line. The indicated DNA sequences for two individuals are found within
exon 2 as indicated, with Individual 2 havinga mutation. Both sequences are in-frame with the upstream start codon.
ATG
ТАА
Promoter
(Start codon)
(Stop codon)
TSS
TT
Individual 1
5' ACAGGAGGAATAAGTTATGCA
3'
Individual 2
5' ACAGGAGGAATAAGTTAAGCA 3'
Part 1
You isolate the mature mRNAs for each individual and run them on a northern blot. Compared with the mRNA for Individual 1, you find that the MRNA for Individual 2 is
more abundant.
the same length.
shorter.
alternatively spliced.
longer.
Transcribed Image Text:Below is a diagram of a gene that is not normally alternatively spliced. All four exons (represented as boxes) are found in the mature mRNA. Transcription starts at the arrow labeled TSS, transcription stops at the line labeled TT, and the promoter location is indicated by the line. The indicated DNA sequences for two individuals are found within exon 2 as indicated, with Individual 2 havinga mutation. Both sequences are in-frame with the upstream start codon. ATG ТАА Promoter (Start codon) (Stop codon) TSS TT Individual 1 5' ACAGGAGGAATAAGTTATGCA 3' Individual 2 5' ACAGGAGGAATAAGTTAAGCA 3' Part 1 You isolate the mature mRNAs for each individual and run them on a northern blot. Compared with the mRNA for Individual 1, you find that the MRNA for Individual 2 is more abundant. the same length. shorter. alternatively spliced. longer.
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