Adds new nucleotides on new strand, complimentary to old strand. Also may proofread new strand and correct errors. Genetic Abnormalities and Mutations PPT Slide PPT Slide PPT Slide Genetic Abnormalities and Mutations PPT Slide More examples of chromosomal aberrations PPT Slide PPT Slide Point mutations. Changes in a single base pair. Types of Point Mutations PPT Slide Examples of Human Disorders caused by point mutations PPT Slide Most deleterious mutations are recessive.
Most deleterious mutations are recessive.
Screening Mutations can be deleterious.