Disadvantages--- competition to offspring and parents, not be able to adapt itself for environment
Sexual reproduction is characterized by processes that pass a combination of genetic to offspring, resulting in diversity. The main two process are meiosis, involving the halving of the number of chromosomes; and fertilization, involving the fusion of two gametes and the restoration of the original number of chromosomes. During meiosis, the chromosomes of each pair usually cross over to achieve genetic recombination