The purpose of DNA replication is to produce two identical copies of a DNA molecule. This is essential for cell division during growth or repair of damaged tissues. DNA replication ensures that each new cell receives its own copy of the DNA.
The correct answer is Gametogenesis. Gametogenesis is a biological process where diploid cells undergo cell division and formation and maturation of gametes. Down syndrome can be considered to be a disorder where a human has 47 chromosomes instead of having only 46.