Official Answer Key & Detailed Solution
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Correct Answer: Option (B) — Long bone
Concept & Option Breakdown
Standard Reference VerifiedLymphocytes are produced during lymphopoiesis in the primary lymphoid tissue, specifically within the red bone marrow found in long bones (such as the femur and humerus).
Hematopoiesis and primary lymphocyte development originate primarily in the bone marrow of long bones.
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