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  • Sex and Death: Too Much of a Good Thing

    Sex and Death: Too Much of a Good Thing

    Lecture

    (59 min 6 sec) Having too many chromosomes can lead to too much gene expression. Dr. Meyer explains how the gene that controls dosage compensation in C. elegans works.

  • Hermaphrodites: The Safer Sex

    Hermaphrodites: The Safer Sex

    Lecture

    (56 min 32 sec) Dr. Barbara Meyer explains the value of studying model organisms and introduces the nematode C. elegans.

  • The Meaning of Sex: Genes and Gender

    The Meaning of Sex: Genes and Gender

    Lecture

    Four talks focus on sex determination—the molecular and genetic mechanisms that determine whether an organism will be male, female or a hermaphrodite.

  • Regulation of Sex Determination in C. elegans

    Regulation of Sex Determination in C. elegans

    Clip

    (6 min 4 sec) A demonstration by Dr. Meyer showing how a balance of molecular elements trigger genetic pathways that determine the sex of a C. elegans worm.