When cancer spreads from a primary tumor to new sites throughout the body, it undergoes changes that increase its genetic ...

When cancer spreads from a primary tumor to new sites throughout the body, it undergoes changes that increase its genetic ...

They are a result of chromosomal rearrangement – deletion, duplication, novel sequence insertion or inversion. If these polymorphisms are cytogenetically visible they are termed heteromorphisms.

Molecular evolution is the area of evolutionary biology that studies evolutionary change at the level of the DNA sequence. It includes the study of rates of sequence change, relative importance of ...