Genetics and Evolution-Forces of evolutionary changes 2.0 / 5 based on 2 ratings ? AccountingUniversityOther Created by: jessicaCreated on: 03-03-13 13:48 What are the different types of gene mutation? point, substitutions, inversions/deletions, frame shift 1 of 6 What are the different types of chromosome mutation? deletion, translocation, nondisjunction, inversion 2 of 6 How are new mutations lost? due to natural selection or random genetic drift.The likelihood of loss depends on the introduction with other evolutionary forces. 3 of 6 When does a mutation become significant? when combined with a strong selection pressure. 4 of 6 What are the three types of selection? Directional, Diversifying, Stabilizing 5 of 6 What is genetic drift? Chance fluctuations in allele frequency due to random sampling of gametes Each generation some genotypes may be left out or over represented 6 of 6
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