The Y chromosome is only about one-third the size of the X and contains far fewer genes. Now, scientists have found that this ...

Human chromosome 17 corresponds entirely to a portion of mouse chromosome 11. Other chromosomes, however, show evidence of more extensive interchromosomal rearrangement. Results such as these ...

Translocations are thus manifested as a change in the length or the banding pattern of a chromosome arm. Over time, cytogeneticists have discovered hundreds, if not thousands, of different human ...