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Lecture

Biology Bi111

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Department
Biology
Course
BI111
Professor
Tristan Long
Semester
Winter

Description
 Higher in RNA viruses (10-3 to 10-5 mutations base-1 generation -1) than in DNA viruses (10-6 to 10-8)  Higher mitochondrial DNA (3 x 10-6 yo 2.7 x 10-5) than in genomic DNA (2.5 x 10-8)  Higher in asexual species than sexual species  In humans approx.. 1.1 x 10-8 mutations, per site per generation o RNA is more unstable Phenotype  Introns removed from Pre-mRNA before translation  Alternate mRNA transcripts created by selective slicing/arrangement of exons  (figure 13.5) The genetic code has both specificity and redundancy  Genetic code was established very early in the evolution of life and has remained unchanged Mutations can Affect Phenotype
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