1:What is pseudodominance and how is it produced by a chromosome deletion? 2:How does bacterial DNA differ from eukaryotic DNA? 3:What happens to a chromosome that loses its centromere? 4:Briefly explain why, in humans and mammals, sex-chromosome aneuploids are more common than autosomal aneuploids? 5:How are flanking direct repeats created in transposition? 6:Briefly explain how transposition causes mutations and chromosome rearrangements 7:Describe the function and molecular structure of the centromere 8:Describe the function and molecular structure of a telomere. 9:What is the difference between euchromatin and heterochromatin? 10:What general characteristics are found in many transposable elements? Describe the differences between replicative and nonreplicative transposition. 11:What is a retrotransposon and how does it move? 12:Briefly explain hybrid dysgenesis and how P elements lead to hybrid dysgenesis. 13:How are flanking direct repeats created in transposition? 14:Briefly explain how transposition causes mutations and chromosome rearrangements. 15:What evidence suggests that the ability to replicate telomeres may have evolved from a retrotransposon? 16:What does the term recombination mean? Two causes ofrecombination?