Clonal Selection Is an Explanation for How ________

Multiple Choice

Clonal selection is an explanation for how ________.

A) a single type of stem cell can produce both red blood cells and white blood cells
B) V, J, and C gene segments are rearranged
C) an antigen can provoke production of high levels of specific antibodies
D) HIV (human immunodeficiency virus) can disrupt the immune system
E) macrophages can recognize specific T cells and B cells