When something damages a portion of the DNA in a chromosome.
Just before cell division begins,the amount of DNA doubles and so do the chromosomes.Each doubled chromosome consists of two copies of the original chromosome joined at the center
skin cancer
Carcinoid tumor is a form of cancer that begins with "car."
Cancers form by the mutation of cells within bodily organs. Cancers can form in any organ, through different causes. The overruling factor of the formation of cancer is that the inbuilt cell reproduction limit (The Hayflick limit) ceases to exist, and cells reproduce exponentially without any control. This can in turn spread to other parts of the body to form cancers there.
cancer
Any cancer that begins in or spreads to the abdomen can leak fluid.
the trpic of cancer. near the equator
cancer.
Speciation
Speciation
Speciation
The vine weevil is a small destructive insect that damages plants and fruits.