Como a pele branca surgiu na humanidade?

https://oglobo.globo.com/saude/ciencia/estudo-traca-surgimento-da-pele-branca-entre-os-povos-europeus-15794597
https://www1.folha.uol.com.br/ciencia/2018/02/por-que-os-humanos-que-migraram-da-africa-para-a-europa-ficaram-brancos-ha-milhares-de-anos.shtml
https://www.gazetadopovo.com.br/educacao/brasileira-participa-de-estudo-que-identifica-africa-como-origem-da-pele-clara-6fav8kpddms9klezstdwrh01q/
https://brasilescola.uol.com.br/biologia/a-cor-pele-na-especie-humana.htm
https://www.science.org/content/article/how-europeans-evolved-white-skin#:~:text=Then%2C%20the%20first%20farmers%20from,began%20to%20have%20lighter%20skin.
https://www.smithsonianmag.com/smart-news/heres-how-europeans-quickly-evolved-lighter-skin-180954874/
https://www.livescience.com/7863-people-white.html
https://bigthink.com/surprising-science/the-genes-for-white-skin-didnt-develop-in-europe-upenn-study-finds/
https://www.washingtonpost.com/archive/politics/2005/12/16/scientists-find-a-dna-change-that-accounts-for-white-skin/044388e3-441e-4ae0-9fed-67c27134d00e/
https://www.theatlantic.com/science/archive/2017/10/a-brief-history-of-the-genes-that-color-our-skin/542694/
https://www.bbc.com/portuguese/internacional-43008445
https://veja.abril.com.br/ciencia/a-pele-atraves-da-historia