This is a preview. Log in through your library . Abstract A survey was made of the chromosome numbers in the Magnoliales sensu lato. An extensive aneuploid series is present in this group. Polyploid ...

Two types of white blood cells, a neutrophil (top) and a lymphocyte (bottom), in human blood. Ed Reschke via Getty Images In an effort that began more than ten years ago, scientists have estimated ...