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The Meaning of Sex: Genes and Gender


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

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Barbara J. Meyer, PhD, and David C. Page, MD, explore topics such as the evolution of the sex chromosomes, the genetic cues that affect sex determination, the advantages of studying sex in a worm, human infertility, and ethics.

Dr. Meyer is an HHMI investigator and professor of genetics and development at the University of California, Berkeley. Dr. Page is an HHMI investigator, a member of the Whitehead Institute for Biomedical Research, and professor of biology at the Massachusetts Institute of Technology.


  • 2002 Telly Awards; Bronze
  • 2002 Videographer Award of Distinction

In This Series (4)

by David C. Page, MD

Is it a boy or a girl? Dr. David Page looks at how we define male and female and summarizes the development of human sex...

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by Barbara J. Meyer, PhD

Dr. Barbara Meyer explains the value of studying model organisms and introduces the nematode C. elegans.

Read More › (Duration: 56 min 32 sec)
by Barbara J. Meyer, PhD

Having too many chromosomes can lead to too much gene expression. Dr. Meyer explains how the gene that controls dosage...

Read More › (Duration: 59 min 6 sec)
by David C. Page, MD

Dr. Page explains how successive inversions and deletions of the Y chromosome during mammalian evolution have reduced it to...

Read More › (Duration: 1 hr 28 sec)

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