שאלה | In the experiments of J Till and E McCulloch, ultra-violet irradiation destroyed the entire bone marrow of mice and then allogenic bone marrow cells were transplanted to these mice. Which of the below observations were presented in these studies to support the existence of bone marrow hematopoietic stem cells?

In the experiments of J Till and E McCulloch, ultra-violet irradiation destroyed the entire bone marrow of mice and then allogenic bone marrow cells were transplanted to these mice. Which of the below observations were presented in these studies to support the existence of bone marrow hematopoietic stem cells?

		Each spleen nodule contained both undifferentiated cells and differentiatedcells
		Each spleen nodule contained huge number of cells derived from a single cell
		The animals survived for long-term thanks to the bone marrowtransplantation
		All above answers are correct

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