Sexual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms. ... Sexual reproduction involves meiosis, which is the process of a cell doubling its DNA, shuffling its genes, and then dividing the shuffled DNA among four cells.
Sexual reproduction leads to genetic variation due to:
• random fusion of gametes • random assortment of chromosomes • Gametes of each parent are a result of meiosis meaning gametes are genetically different so when they fuse together they form a new combination of genes in the zygote
