Internal program of events and sequences of morphological changes by which cell commit a suicide is collectively called:

Explanation

Explanation:The internal program of events and sequences of morphological changes by which a cell commits suicide is collectively called apoptosis. Apoptosis is also known as programmed cell death.This option is incorrect. Necrosis is the death of body tissue due to a very low blood supply and can be caused due to injury, etc.This option is also incorrect. Metastasis refers to the spread of cancer cells from the primary tumor site to other parts of the body.Epistasis is a genetic phenomenon where the expression of one gene is influenced by another gene. It occurs when the alleles of one gene modify or mask the effects of another gene.