Heterochromia is a variation in coloration. The term is most often used to describe color differences of the iris, but can also be applied to color variation of hair or skin.
Here are a few studies related to heterochromia of the hair:
Scalp hair heterochromia involves the presence of two different colors of the scalp hair in the same individual. It may be of three types: patchy, diffuse, and segmental. Isolated patchy heterochromia of the scalp hair is a rare entity, and a very few cases have been described in the literature. Hereby, we report one such case of isolated patchy scalp hair heterochromia in a 2-year-old healthy male child with black hairs presenting with a bunch of blond hairs without any underlying abnormalities along with the literature review.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6984047/
Heterochromia of the hair involves the presence of two distinctive colors of scalp hair in one individual. We report the case of a 4‐year‐old girl with reddish streaks of scalp hair, heterochromia of the eyelashes, and cutaneous hypopigmentation following the lines of Blaschko.
https://onlinelibrary.wiley.com/doi/abs/10.1111/pde.12738
Hair heterochromia involves the presence of two different non-artificially induced colours of hair in the same individual which can be due to either iron deficiency anaemia, genetic mutations or mosaicism. We report a six-month old male infant who presented to the Department of Dermatology, Saham Hospital, Saham, Oman, in 2013 with focal scalp hair heterochromia without any detectable underlying abnormalities. The area of heterochromia was still noticeable at a one-year follow-up.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5380409/
Stay tuned for more information and feel free to share yours.
English
Afrikaans
Albanian
Amharic
Arabic
Armenian
Azerbaijani
Basque
Belarusian
Bengali
Bosnian
Bulgarian
Catalan
Cebuano
Chichewa
Chinese (Simplified)
Chinese (Traditional)
Corsican
Croatian
Czech
Danish
Dutch
Esperanto
Estonian
Filipino
Finnish
French
Frisian
Galician
Georgian
German
Greek
Gujarati
Haitian Creole
Hausa
Hawaiian
Hebrew
Hindi
Hmong
Hungarian
Icelandic
Igbo
Indonesian
Irish
Italian
Japanese
Javanese
Kannada
Kazakh
Khmer
Korean
Kurdish (Kurmanji)
Kyrgyz
Lao
Latin
Latvian
Lithuanian
Luxembourgish
Macedonian
Malagasy
Malay
Malayalam
Maltese
Maori
Marathi
Mongolian
Myanmar (Burmese)
Nepali
Norwegian
Pashto
Persian
Polish
Portuguese
Punjabi
Romanian
Russian
Samoan
Scottish Gaelic
Serbian
Sesotho
Shona
Sindhi
Sinhala
Slovak
Slovenian
Somali
Spanish
Sudanese
Swahili
Swedish
Tajik
Tamil
Telugu
Thai
Turkish
Ukrainian
Urdu
Uzbek
Vietnamese
Welsh
Xhosa
Yiddish
Yoruba
Zulu
Your welcome, I’m learning something new everyday about the Rh negative blood and genetics treats 😊
Hi there fellow RH Negs. . I’m always interested to find out more about my blood type, I’ve been searching for years and have found out only the basics, I share all the common traits of the rhesus negative people but can anyone guide me with any links of information as to where it’s come from apart from showing up 3& a half thousand years ago out of nowhere and the obvious facts that we are all reptilian! 😂😃😆 Thank you so much in advance, if anyone’s got any deep study on this I’d love to hear of it or get involved! Thank you. ..
you may find some things here: Rh Negative Blood Factor Origins – Rh Negative Facts
Mike Dammann – August 23, 2020 https://www.rhesusnegative.net/staynegative/rh-negative-blood-factor-origins/
i think the RhD- mutation most likely occurred when early modern humans were mixing w/ Neanderthals…it could’ve been a single mutation in different sexed twins perhaps or it happened more often in a short time frame that allowed it to become established. this mutation may have had some beneficial protective affects against some past virus, microbe or had some other benefit/s that helped in it’s propagation. if type O blood can be determined for some Neanderthals, and i think that’s been done, then maybe someday someone will be able to find evidence of the RhD negative mutation as well from some ancient bone/s etc…. with more knowledge, a clearer picture should develop.
Hi Ken, thanks for your detailed reply! Yes, I’ve heard this twice now that there could be a link to the Neanderthals through blood, are you very convinced by this through your study? It would be Great for the smithzonian museum to open up its doors to the public so Great scientists can take tests on our ancient bones etc, I guess we will never be 100% until this is done…I will look into your theory some more now Ken, so I thank you kindly for your lead!.. Kind regards my friend, ..Karen x
i think people need to continue to study early modern humans from the middle east, north africa, europe & the eurasian area (more or less between eastern europe, northern india and china).
Thankyou Ken, I’ll get on with that, I’ll let you know what I think! I’ve been looking at the Maravindians ( not quite sure if I’ve spelt that correctly? ) x
I had same hair color as a toddler, blonde, white and dark brown , then it changed to brown with gold highlights as adult but I dye it blonde 🙂 because I have hazel green/blue eyes and yes I am B-
That was the first i have heard if hair heterochromia… And yes I see now I share this trait ( Red gold blond auburn ) Ive read about the heterochromatic eyes and RH negatives. I have gold flecks that can make my eye color change blue aqua grey sometimes green. So now i will also observe this trait in hair to identify other RH negatives. Awesome.. Love learning new things. BTW dont have internet right now so ive been slow at responses. Thanks