What is a stem cell?

a. a cell from which a new cell that has a specialized function is formed.
b. a mature egg cell that is capable of forming a new organism.
c. a cell that has half the number of chromosomes of a parent cell.
d. a specialized cell in the skin that identifies pathogenic organisms.

Abody cell has been growing and at synthesis proteins.in the nucleus of this body cell,dna replication is taking place. and a copy of the cells genetic material is copied.which of the following is the best conclusion you can make about the life cycle of this cell ? a) the cell is ready to undergo mitosis.and a chemical signal will send the cell to prophase b)the cell is undergoing meiosis and will cross over the genetic material next c)the cell is in the s phase of interphase and will move next to the g2 phase d) the cell is in the g2 phase of the interphase and is ready to begin diving