Freebase(0.00 / 0 votes)Rate this definition: Arbol is a programming language which has been primarily developed for use in Genetic Programming experiments. It is a functional programming language inspired by the ideas of other small and esoteric languages.
Causes. In most cases of colon or rectal cancers, the cause or causes are unknown. Defects in genes that normally protect against cancer play the major role in causing polyp cells to continuously change and become cancerous.
What are the things that happen to the DNA of the cell which cause cancer. 1. Mutiple DNA mutation. What occur when proto onco or tumor suppressor gene are mutated and why that occur. 1. Uncontrollable growth, cell prolifilation, transformation.