Sickle cell disease is caused by a
a. change in one dna base.
b. change in the size of a chromosome.
c. change in two genes.
d. change in the number of chromosomes in a cell.

When a patient is incapacitated, providers are required to follow any instructions outlined ina. an advanced care directiveb.patient educational materialsc. a willd. a consent form

Patrick's parents are worried that he may face discrimination in his new neighborhood. which factor is most likely to cause worry to his parents? a. patrick has unusual pets at home. b. patrick belongs to a different culture than that of the majority group. c. both patrick's parents hold jobs outside the home. d. patrick likes a particular sport.

Which of these is the best example of sexual objectification? a) a female initiates a conversation with another female. b) a male proposes marriage to a female. c) a female makes repated coments to a male about his appearence. d) a female proposes marriage to a male.