Treating Avascular Necrosis With Hip Surgery. When disease or injury prevents the blood supply from flowing freely to a bone, cells in the bone begin to die. As the bone withers, the surrounding cartilage begins to deteriorate, producing pain and other symptoms.
natural selection, crossing over, and independent assortment crossing over, independent assortment, and fertilization independent. assortment, fertilization, and natural selection fertilization, natural selection, and crossing over. Natural selection, crossing over, and independent assortment are methods of genetic recombination. Log in to see link for more information. Added 5/15/2015 2:21:24 PM. This answer has been confirmed as correct, not copied, and helpful.
V(D)J recombination in organisms with an adaptive immune system is a type of site-specific genetic recombination that helps immune cells rapidly diversify to recognize and adapt to new pathogens.n both meiotic and mitotic cells, recombination between homologous chromosomes is a common mechanism used in DNA repair. Genetic recombination and recombinational DNA repair also occurs in bacteria and archaea, which use asexual reproduction.