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Unformatted text preview: 1/29/09 Interphase DNA transcription mRNA/tRNA translation proteins replication mitosis, meiosis Structural genes- produce the structures in the body (collagen, actin, myosin) Regulator genes- regulate or control the rate and duration of activity of structural genes Proposed that a difference between human and chimp is because of evolution in regulator genes. Dominant (A) and recessive (a) alleles of a gene Mutation: Evolution- a change in allele frequencies over time or across generations Mutation- the only means of introducing new alleles into a species Mutation produces genetic variation upon which natural selection can act. Most mutations are harmful or neutral to an organism, but the advantage or disadvantage of a mutation depends upon environmental circumstances....
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- Spring '07
- Proteinogenic amino acid, AT AT AT, TA TA TA