The Conversation, January 18, 2017 6.05am AEDT

The act of penetrative sex has evolved over millions of years as a mechanism to deliver sperm to eggs and initiate pregnancy. But there’s more to sex than just the meeting of two sets of genes. The ‘What’s the point of sex?’ series examines biological, physical and social aspects of sex and gender.

[This] piece looks at sexual identity and gender, and how these are expressed in a social context.

• Read more here 
• Read other pieces in this series: 
  

  What’s the point of sex? It’s communication at a biological level

  What’s the point of sex? It’s good for your physical, social and mental health