Which of the following is not a valid concern specifically associated with the cultivation and use of genetically modified (GM) crops?
The risk of cross-pollination transferring engineered traits, such as herbicide resistance, to wild weedy relatives.
The potential negative impact of insect-resistant GM crops on non-target organisms like beneficial insects.
The ethical and moral concerns regarding the use of somatic cell nuclear transfer for cloning agricultural livestock.
The socio-economic issues related to multinational corporations holding patents on seeds, limiting access for smallholder farmers.