Which of the following statements is correct about the development of T cells? A

Question

Which of the following statements is correct about the development of T cells?

A. T cells differentiate from progenitor cells destined to become (1) natural T regulatory (Treg) cells, (2) natural killer T (NKT) cells, (3) gamma/delta T cells, and (4) alpha/beta T cells

B. After many cell generations, some of the CD*+ TH cells differentiate into at least six functional phenotypes

C. Activation by its specific antigen causes a TH cell to mature into a cytotoxic T lymphocyte (CTL) that functions to destroy host cells that have been infected by intracellular pathogens such as a virus, or have altered MHC surface proteins

D. T cells originate from CD34-positive stem cells in the bone marrow, where they also complete their maturation process before circulating in the peripheral blood

Explanation / Answer

Following statements are correct about the development of T cells:

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