Multiple choice

Assertion: T-Lymphocytes mature in the Thymus gland. Reason: Progenitor cells migrate from bone marrow to thymus.

  1. Assertion and Reason are correct and Reason is the correct explanation of Assertion.

  2. Assertion and Reason are correct and Reason is not the correct explanation of Assertion.

  3. Assertion is correct but the Reason is wrong.

  4. Assertion and Reason both are wrong.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Progenitor cells develop as stem cells in the bone marrow and migrate to thymus for maturation into T-Lymphocytes. Option 1 is correct as migration to thymus is neccessary for T-cells to mature. An experiment is performed with professional human and chicken cell lines. The chicken cells are subjected to a mutant that will destroy the function of bursa of fabricius and human cell lines are genetically induced with the gene encoding for bursa of fabricius. Both the cell lines are kept in high hygiene conditions.

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