NCERT-NEET-Growth and reproduction are characteristics of cells,indeed of all living organisms. All cells reproduce by dividing into two,with each parental cell giving rise to two daughter cells each time they divide. These newly formed daughter cells can themselves grow and divide,giving rise to a new cell population that is formed by the growth anddivision of a single parental cell and its progeny. In other words, such cycles of growth and division allow a single cell to form a structure consisting of millions of cells
Stage Characteristics G1 Phase Interval between mitosis and DNA replication initiation. Cell grows and carries out normal metabolism. Organelles are duplicated. S Phase DNA synthesis or replication occurs. DNA content doubles from 2C to 4C, but chromosome number remains the same (2n). Centriole duplicates in the cytoplasm in animal cells. G2 Phase Preparation for mitosis. […]