Genetic sex is established when a sperm fertilizes an egg, after which hundreds of genes guide gonadal differentiation and the subsequent hormonal development of internal and external genitalia.
Sources
- HHS' New Sex-Based Definitions Ignore Science, Experts Say (healthline.com)
- https://www.ncbi.nlm.nih.gov/books/NBK557601/ (ncbi.nlm.nih.gov)
- https://www.ncbi.nlm.nih.gov/books/NBK279001/ (ncbi.nlm.nih.gov)
- https://journals.physiology.org/doi/full/10.1152/physrev.00009.2006 (journals.physiology.org)
- https://bmcgenomics.biomedcentral.com/articles/10.1186/s12864-015-1886-5 (bmcgenomics.biomedcentral.com)
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