<span>Biotechnology can be used to focus on a Genetically Engineered organism. it can be helpful when used for many good purposes, like increased Production of Proteins,Antibiotics and beneficial products. It can be harmful when used for Bio-Warfare, like Anthrax.</span>
Some major causes as to why biodiversity occurs are the following...
habitat loss and fragmentation, over-exploitation for commercialization, invasive species, pollution, global climate change, illegal wildlife trade, and species extinction
Crossing over is the process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other.