Is sexuality purely the result of our biology? Brandon Ambrosino argues that simplistic explanations have ignored the fluid, shape-shifting nature of our desires.

Brandon Ambrosino. 6 28 2016. BBC.

https://www.bbc.com/future/article/20160627-i-am-gay-but-i-wasnt-born-this-way

How Older Brothers Influence Homosexuality

Olga Khazan. 4 27 2016. The Atlantic.

https://www.theatlantic.com/health/archive/2016/04/gay-brothers/480117/

There’s (Still) No Gay Gene

Bennett Mcintosh. 8 29 2019. Harvard Magazine.

https://harvardmagazine.com/2019/08/there-s-still-no-gay-gene

Biological Factors Contributing to the Development of Homosexuality: A Systematic Review of the Literature

Idalia Maciel. 5 2018. The Eagle Feather.

https://www.researchgate.net/publication/325352979_Biological_Factors_Contributing_to_the_Development_of_Homosexuality_A_Systematic_Review_of_the_Literature

The Problem with the Belief that Child Sexual Abuse Causes Homosexuality / Bisexuality

PFLAG Atlanta. 11 24 2020.

https://www.pflagatl.org/the-problem-with-the-belief-that-child-sexual-abuse-causes-homosexuality-bisexuality/

A short review of biological research on the development of sexual orientation

Anthony F. Bogaert and Malvina N. Skorska. 3 2020. Hormones and Behavior.

https://www.sciencedirect.com/science/article/pii/S0018506X19304660

Childhood Abuse Experiences and the COMT and MTHFR Genetic Variants Associated With Male Sexual Orientation in the Han Chinese Populations: A Case-Control Study

Jia-Bi Qin et al. 2018. J Sex Med.

https://pubmed.ncbi.nlm.nih.gov/29289372/

Does Abusing Children Have Consequences for Sexuality?

Ritch C. Savin-Williams. 2019 12 2. Psychology Today.

https://www.psychologytoday.com/us/blog/sex-sexuality-and-romance/201912/does-abusing-children-have-consequences-sexuality

Does Physical Abuse, Sexual Abuse, or Neglect in Childhood Increase the Likelihood of Same-sex Sexual Relationships and Cohabitation? A Prospective 30-year Follow-up

Helen W. Wilson and Cathy Spatz Widom. 2 2009. Archives of Sexual Behavior.

https://www.researchgate.net/publication/23765002_Does_Physical_Abuse_Sexual_Abuse_or_Neglect_in_Childhood_Increase_the_Likelihood_of_Same-sex_Sexual_Relationships_and_Cohabitation_A_Prospective_30-year_Follow-up

Why Do Some Identical Twins Have Different Sexual Orientations?

Justin Lehmiller. Kinsey Institute.

https://kinseyinstitute.org/news-events/news/2019-07-26-twins-sexual-orientation.php

If sexuality is not a choice, why do some identical twins have different sexual orientations?

Dan Holliday. 2017. Quora.

https://www.quora.com/If-sexuality-is-not-a-choice-why-do-some-identical-twins-have-different-sexual-orientations

Meet the identical twins with the same DNA, but different sexualities

8 12 2018. YOU Magazine.

https://www.you.co.uk/identical-twins-different-sexualities/

Homosexuality! What causes it?–Video Sources.

Male homosexuality: nature or culture?

Nature vs. Nurture: The Biology of Sexuality

No single gene associated with being gay

There is no ‘gay gene.’ There is no ‘straight gene.’ Sexuality is just complex, study confirms

Homosexuality may be caused by chemical modifications to DNA

The causes of human sexual orientation

Stop calling it a choice: Biological factors drive homosexuality