KROK 1 2010 – Question 110 · KROK (Medicine) · Histology, Cytology, and Embryology

Normal, actively dividing cells of human red bone marrow are analyzed. What number of cells’ chromosomes is typical for G1 period?

  1. A. 23
  2. B. 46
  3. C. 47
  4. D. 48
  5. E. 45
Hint

Distinguish chromosome number from DNA content: ask what has and what has not changed in a somatic cell in G1 compared with the cell after S phase.

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