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https://brightside.me/wonder-curiosities/15-unique-body-features-almost-no-one-has-369410/
"https://www.wired.com/2008/11/the-actn3-sports-gene-test-what-can-it-really-tell-you/

https://blog.dnagenotek.com/is-the-speed-gene-the-key-to-athletic-performance-the-answer-is-only-a-spit-away"
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https://brightside.me/wonder-curiosities/15-unique-body-features-almost-no-one-has-369410/
https://en.wikipedia.org/wiki/Innate_resistance_to_HIV
"https://www.everydayhealth.com/healthy-living/0421/how-normal-is-your-belly-button.aspx


https://brightside.me/wonder-curiosities/15-unique-body-features-almost-no-one-has-369410/"
https://retinavitreous.com/diseases/macularpucker.php
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"https://elementsofmorphology.nih.gov/index.cgi?tid=c51cb3ba3cc2bb3d
"
https://brightside.me/wonder-curiosities/15-unique-body-features-almost-no-one-has-369410/
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https://brightside.me/wonder-curiosities/15-unique-body-features-almost-no-one-has-369410/
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https://en.wikipedia.org/wiki/Supernumerary_nipple
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"https://books.google.co.uk/books?id=UxSJBAAAQBAJ&lpg=PP1&dq=Red:+A+Natural+History+of+the+Redhead&pg=PT9&redir_esc=y#v=onepage&q&f=false
https://rarest.org/people/hair-colors"

https://www.essilorusa.com/newsroom/what-causes-different-colored-eyes
https://brightside.me/wonder-curiosities/15-unique-body-features-almost-no-one-has-369410/
"https://www.ejao.org/journal/view.php?doi=10.7874/kja.2012.16.2.99
https://www.medicalnewstoday.com/articles/327106"
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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5814939/
https://www.cincinnatichildrens.org/health/w/webbed-fingers-toes
"https://www.ucsf.edu/news/2009/08/96779/first-human-gene-implicated-regulating-length-human-sleep
https://sleep.ihg.com/healthy-habits/what-is-a-short-sleeper/"
https://brightside.me/wonder-curiosities/15-unique-body-features-almost-no-one-has-369410/
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https://en.wikipedia.org/wiki/Ulnar_dimelia
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