• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

We are often taught that what makes us male or female is our genetics, particularly our chromosomes. Typically, a person has 23 pairs of chromosomes; one half comes from the egg, and the other half from the sperm. The sex chromosomes ...

Loading
  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles