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  • Embryonic Cell Division in C. elegans

    Embryonic Cell Division in C. elegans

    Clip

    (1 min 31 sec) Time-lapse microscopy showing cell division from 1 to 2 to 4 cell stages in C. elegans with fluorescent chromosomes.

  • Dosage Compensation in C. elegans

    Dosage Compensation in C. elegans

    Clip

    (3 min 49 sec) A demonstration by Dr. Barbara Meyer of how a branched genetic pathway can be affected by mutations in different parts of the pathway.

  • MIX-1

    MIX-1

    Animation

    (3 min 39 sec) This animation shows how MIX-1 facilitates both chromosome condensation and dosage compensation.

  • Meiosis

    Meiosis

    Animation

    (5 min 53 sec) Meiosis, the form of cell division unique to egg and sperm production, sets the stage for sex determination by creating sperm that carry either an X or a Y sex chromosome. But what is it about the X or Y that determines sex? Also available in Spanish.

  • How the Host Avoids "Friendly Fire"

    How the Host Avoids "Friendly Fire"

    Lecture

    (58 min 30 sec) Normally the trillions of lymphocytes in the human body do not attack their host. 

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