Stock image of three brothers lying next to each other in long grass

Century-old theories that having girls or boys ‘runs in families’ have been upended by a University of Queensland study, proving parents’ genes do not determine their child’s gender.

19 February 2020
Linked hands

Research has found that there is no one “gay gene” – instead, there are many, many genes that influence a person’s likelihood of having had same-sex partners.

30 August 2019