Southern blot analysis of the three genotypes found at the β-globin locus revealed a distinctive pattern of RFLP variation among the genotypes. What results would you expect from northern blot analysis of the three β-globin genotypes?

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βAβindividuals have a single mRNA band, whereas βSβS individuals have no mRNA bands. βAβSheterozygotes have half as much mRNA as a homozygous individual.

A northern blot analysis performed on mRNA from individuals with the three β-globin genotypes looks very similar to the Southern blot results. βAβindividuals have two bands, βSβS individuals have one band, andβAβS individuals have all three bands.

A northern blot analysis performed on mRNA from individuals with the three β-globin genotypes looks very similar to the Southern blot results. βAβand βSβS individuals have one band, whereas βAβS individuals have two bands.

A northern blot analysis performed on mRNA from individuals with the three β-globin genotypes detects a single mRNA band, so all genotypes look identical by northern blotting.

 

asked May 16, 2013 in Genetics by GeneX ~Top Expert~ (7,947 points)
    

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A northern blot analysis performed on mRNA from individuals with the three β-globin genotypes detects a single mRNA band, so all genotypes look identical by northern blotting.
answered May 16, 2013 by GeneX ~Top Expert~ (7,947 points)

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