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Retrospective birth dating of cells in humans

Community college students in a non-majors biology class are introduced to mitosis by reading a case-study article that allows them to gauge how many times various parts of their bodies have been regenerated. Whatever your age, your body is many years younger. For four consecutive semesters at Front Range Community College, a case-study article was used to introduce mitosis to students in a nonmajors biology class.

Retrospective birth dating of cells in humans

Retrospective birth dating of cells in humans

The case-study article allows students to develop a conceptual framework of the cell cycle prior to a lecture on mitosis. Taken together, the average age of all the cells in an adult’s body may range from 7–10 years, prompting the case study’s catchy title.

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  • Recent articles have explained how to use interactive videos (Baggott and Wrht 1996), role playing (Chinnici, Yue, and Torres 2004), and foam pool noodles (Locke and Mc Dermind 2005) to demonstrate how chromosomes separate during mitosis, but there is a lack of focus on how to establish the fundamentals of mitosis in an engaging and relevant manner.


    Retrospective birth dating of cells in humans

    Retrospective birth dating of cells in humans

    Retrospective birth dating of cells in humans

    Types of tissue measured include rib muscle, epithelial cells of the intestine, erythrocytes, heart muscle, epidermis, liver, bones, and specific brain tissue such as the visual cortex and cerebellum. Students often have difficulty understanding mitosis, while their instructors can find it challenging to stress the importance of the cell cycle in biology (Smith and Kindfield 1999).

    Retrospective birth dating of cells in humans

    Case studies, broadly defined as a story with an educational message (Herreid 2007), are thought to foster learning and critical thinking (Gallucci 2006). CATCHY FUNNY HEADLINES ONLINE DATING Another issue involving ischemic injury is the morbid state of the person being cryopreserved.


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