Some varieties of food crops have been genetically modified in an effort to improve upon a certain trait, such as pest resistance or longer shelf life. However, there are also concerns with genetically modified crops. Which of the following is most likely a concern about genetically modified crops?

There may be an increase in global food prices.

There may be an increase in pest populations that adapt to the modified traits in the crops.

There may be a decrease in the range of environmental conditions in which a crop can survive.

There may be a decrease in the amount of time that fruits or vegetables stay fresh in the supermarket.

Mr. j, age 42, is a construction worker in las vegas. he recently noticed that a mole on his face seemed to be getting larger and darker. at first he did not worry because he was in the sun a lot and assumed the change may have been caused by sunburn. after a month, not only was the mole larger and darker, but it appeared to be “bumpy.” his doctor diagnosed a malignant melanoma skin cancer following biopsy of the nevus. mr. j reports pain in his right shin that does not go away when he puts his feet up or sleeps. discussion questions 1. relate mr. j’s skin changes to the warning signs for malignant melanoma. (see malignant melanoma.) 2. discuss the normal progression of this malignancy. what is the significance of the bone pain that mr. j is experiencing? (see malignant melanoma.) 3. discuss the treatment available for this patient and the prognosis for recovery. (see malignant melanoma.)