BiologyFeb28th2007 - 2. A mutation may be advantageous when...

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February 28, 2007 [ BLOCK C: BIOLOGY DUSTIN LEE ] 1. Because mRNA is read as a series of triplets, adding or subtracting nucleotides may alter the triplet groupings of the genetic message. If substitution occurs, it is very possible that it would change the codon but not the amino acid.
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Unformatted text preview: 2. A mutation may be advantageous when the environment includes a related species. Mutations also are the ultimate source of genetic diversity in the living world. 3. One type of physical mutagen is high-energy radiation, such as X-rays and ultraviolet light....
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