Read the following statements about genetically engineered plants. Select the ones that are advantageous .
I. The increased yield from genetically engineered plants allows a smaller area of land to be farmed.
II. Generally engineering plants may have improved nutritional value .
III. Some plants can be genetically modified to give resistance to diseases.
IV. There is more research needed on the long term effects of genetically engineered crops on the environment
V. The use of genetically engineered crops may explain the increase in allergies in children