point mutations and chromosomal aberrations. In point mutations, one base pair is changed. The human genome, for example, contains over 3.1 billion bases of DNA, and each base must be faithfully ...

Understanding the material basis of adaptive evolution has been a central goal in biology dating back to at least the time of ...

An example of a balanced structural change ... after a multitude of unbalanced chromosomal mutations have taken place. Rowley, J. D. A new consistent chromosomal abnormality in chronic myelogenous ...