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.
Bacteria show a primitive type of sexual reproduction called genetic recombination. Sexual reproduction involves the fusion of male gamete with the female gamete in a process called fertilisation. This results in the formation of diploid zygote that has the characteristics of both the male and the female parents.