Genetics and Evolution-Neutral Mutations and molecular evolution 2.0 / 5 based on 2 ratings ? AccountingUniversityOther Created by: jessicaCreated on: 03-03-13 13:59 What are the three effects on fitness that mutations have? deleterious, increase, neutral. 1 of 6 What is a neutral mutation? mutation that has no effect on fitness. it is neutral with respect to natural selection. 2 of 6 What is the equation to calculate the rate of neutral replacement? 2Nµ x 1/(2N) = µ 3 of 6 What are Synonymous substitutions? are from one alternative codon to another, making no change in the amino acid 4 of 6 What are Nonsynonymous substitutions? result in an amino acid change. 5 of 6 What is purifying selection? pervasive aspect of natural selection that reduces genetic variation and preserves DNA and protein sequences over time. 6 of 6
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