• Question: Why do boys have nipples?

    Asked by nicolehvale to Angela, Gopal, Hannah, Becky, Vince on 20 Jun 2013.
    • Photo: Rebecca Cook

      Rebecca Cook answered on 20 Jun 2013:


      When an foetus is developing in a woman’s womb it starts off as female and therefore nipples begin to form. At a certain time during pregnancy genes on the Y chromosome (the male chromosome, boys are XY and girls are XX) are expressed and the boy body parts begin to form.

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