The legislation would allow Texas towns with fewer than 5,000 people to set up new child safety zones.
In high school biology, we learn that humans are born with either XX or XY chromosomes, and that a person’s internal and external sex organs match those chromosomes. It turns out, however, that sex isn’t that straightforward.
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Sources:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5479330/
http://www.isna.org/faq/what_is_intersex
https://www.hrw.org/report/2017/07/25/i-want-be-nature-made-me/medically-unnecessary-surgeries-intersex-children-us
https://www.scientificamerican.com/article/the-spectrum-of-sex-development-eric-vilain-and-the-intersex-controversy/
https://ghr.nlm.nih.gov/gene/SRY#conditions
https://www.who.int/genomics/gender/en/index1.html
https://www.wired.com/story/trumps-plan-to-redefine-gender-makes-no-scientific-sense/
https://www.nature.com/news/sex-redefined-1.16943
http://www.isna.org/faq/ten_myths/rare
https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-2265.2008.03392.x
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https://www.nadf.us/adrenal-diseases/congenital-adrenal-hyperplasia-cah/
https://www.nhs.uk/conditions/disorders-sex-development/
http://aisdsd.org/resources/youth/youth-faqs/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5682373/
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Image Sources:
https://commons.wikimedia.org/wiki/File:45,X.jpg
https://commons.wikimedia.org/wiki/File:PBB_Protein_SRY_image.jpg
https://commons.wikimedia.org/wiki/File:Pseudoautosomal_region.png
https://commons.wikimedia.org/wiki/File:Androgen_receptor_3-d_model.jpg
https://commons.wikimedia.org/wiki/File:NHGRI_human_male_karyotype.png
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