Which of the following stage is NOT involved in T lymphopoiesis? 

Which of the following stage is NOT involved in T lymphopoiesis?  Correct Answer Single-negative cell stage

T lymphopoiesis is divided into 3 important stages namely: double-negative, double-positive and single-positive cell stages. These 3 stages completely depend on the expression of CD4 and CD8 T cells. T lymphopoiesis involves a major role of lymphoid progenitor cells which travel from bone-marrow to the thymus for deciding the fate of CD4 and CD8 T cells.
Bissoy MCQ

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