A human bone marrow cell, in prophase of mitosis, contains 46 chromosomes. how many chromatids does it contain? a human bone marrow cell, in prophase of mitosis, contains 46 chromosomes. how many chromatids does it contain? 92 46 or 92, depending on the portion of prophase examined 23 23 or 46, depending on the portion of prophase examined 46 submithintsmy answersgive upreview part