invisiblebrain Posted April 22, 2004 Share Posted April 22, 2004 skin color as i know is a genetic trait.so our color is predetermined by our parents. but then can we change it during our life time? how true are the cosmetic gizmos that say its posssible. another thing....children as ive seen(some) are fair in childhood but after turing around 15-20 they express darker complections.how can this be explained? Link to comment Share on other sites More sharing options...
Radical Edward Posted April 22, 2004 Share Posted April 22, 2004 different genes switch on under different circumstances and at different times in life. So there could be some disposition to increased or decreased melatonin production. This may occur entirely naturally, and not after extensive chemical treatment a-la Michael "doesn't matter of you're black or white" Jackson* *this person is entirely fictional, and any resemblance to anyone alive, dead, or in court on child molestation charges is entirely coincidental. Link to comment Share on other sites More sharing options...
admiral_ju00 Posted May 1, 2004 Share Posted May 1, 2004 amounts of UV one is exposed to(or lack thereof), can do it quite well Link to comment Share on other sites More sharing options...
invisiblebrain Posted May 3, 2004 Author Share Posted May 3, 2004 i and my friend were of same complexion when were childs but i grew up to be darker than my friend although were in same atmos.it genetic ..true.but can it be changed ?if yes then how exactly is it done?im not asking the cosmetic procedure but the scientific logic behind doing the thing Link to comment Share on other sites More sharing options...
alext87 Posted May 6, 2004 Share Posted May 6, 2004 More UV therefore more melatonin which causes your skin to become darker. This can happen in the same environment as your have different genes that response differently therefore different skin colour! Your hair can get darker with age due to genes so why not skin? Link to comment Share on other sites More sharing options...
Firedragon52 Posted August 26, 2004 Share Posted August 26, 2004 I wonder whether scientist will ever decipher the genes that account for skin color. With all the variety of colors and tones that exist today, it is obvious that there are numerous genes that control skin. Skin color is based on polygenic inheritance, with perhaps serveral alleles at each gene producing differing amounts of melanin. Link to comment Share on other sites More sharing options...
Guest HaReLdNkUmAr Posted October 18, 2004 Share Posted October 18, 2004 I know this is skin colour but I was wondering if anyone could explain why your hair turns different colour when like you skin colour is a a recessive or dominant trait from your parents. Link to comment Share on other sites More sharing options...
Sorcerer Posted October 18, 2004 Share Posted October 18, 2004 Hmm I noticed alot of people have melatonin and melanin confused, atleast Firedragon got it right. I know it is polygenetic and no one is exactly sure how many genes are involved. As has been said UV light can effect skin colour, as can be seen when people sun-bathe and get a tan. Genes can be switched on throughout life in response to the environment, this could explain why some people get darker. Also the base phenotype for an embryo is transparent, melanin builds up over time producing pigments. This is for example why newborns have blue eyes when born, and the colour develops later, also blonde hair (not sure about really dark newborns) which then gets darker. Link to comment Share on other sites More sharing options...
Firedragon52 Posted October 18, 2004 Share Posted October 18, 2004 I know this is skin colour but I was wondering if anyone could explain why your hair turns different colour when like you skin colour is a a recessive or dominant trait from your parents.This website may interest you:http://www.gnxp.com/MT2/archives/000889.html Link to comment Share on other sites More sharing options...
Guest mestabolite Posted October 29, 2004 Share Posted October 29, 2004 Hey guys being an spanish living in England I noticed that my skin really got very milky white from lack of Sun, as well more skin problems and tolerance to sun exposition. So yep enviroment is a very important factor. Babies are less expose to Sun(none in the wound and not much going out and about in pushchairs), and have a more delicate skin, so it is not surprasing than with time and sun esposure their skin adapt to the enviroment by getting darker. Link to comment Share on other sites More sharing options...
Sayonara Posted October 29, 2004 Share Posted October 29, 2004 Hey guys being an spanish living in England I noticed that my skin really got very milky white from lack of Sun, as well more skin problems and tolerance to sun exposition. Your skin produces Vitamin D in response to sunlight, so the skin problems you suffered are most likely related to a Vit-D deficiency caused by the reduced light exposure. Increasing your Vitamin D intake in your diet or using supplements ought to sort that out (if it's still a problem, that is). Link to comment Share on other sites More sharing options...
Shoushou Posted November 16, 2004 Share Posted November 16, 2004 Hey guys being an spanish living in England I noticed that my skin really got very milky white from lack of Sun, . This indicates that the pigmentation of ur hair & skin are getting darker or lighter depending on the inviroment, that's ur skin get's darker due to the sunlight exposure the same goes for ur hair pigment... that's a good explaination, Huh? Link to comment Share on other sites More sharing options...
Sorcerer Posted November 16, 2004 Share Posted November 16, 2004 Yes, melatonin is produced in response to UV light, it is our skins natural defence mechanism from sunburn, if you have enough UV to burn then you've had more than enough to produce your vitamin D requirements. Hair on the otherhand tends to bleach in sunlight... hair is UV protection too. Link to comment Share on other sites More sharing options...
Guest ImpFetus Posted November 18, 2004 Share Posted November 18, 2004 There was a interesting article in scientific American some months ago showing a correlation between the level of melatonin in a people of a region and the levels of UV light, Folic acid and Vitamin D. According to the study average skin color for people in a region was determined on how much UV light exposure they got, as UV light reduced the levels of Folic acid and increase the levels of Vitium D, both of which supposedly effect fertility. So if you are to light skin for the region you live in (like Caucasians in South Africa) the high amount of sunlight will reduce folic acid levels in the body and reduce fertility. (Skin cancer is not an evolutionary pressure as it usually happens after breeding age) And if your to Dark skin for the region you live in your Vitamin D levels will be to low, and thus reducing fertility. Link to comment Share on other sites More sharing options...
Guest ImpFetus Posted November 18, 2004 Share Posted November 18, 2004 There was a interesting article in scientific American some months ago showing a correlation between the level of melatonin in a people of a region and the levels of UV light, Folic acid and Vitamin D. According to the study average skin color for people in a region was determined on how much UV light exposure they got, as UV light reduced the levels of Folic acid and increase the levels of Vitium D, both of which supposedly effect fertility. So if you are to light skin for the region you live in (like Caucasians in South Africa) the high amount of sunlight will reduce folic acid levels in the body and reduce fertility. (Skin cancer is not an evolutionary pressure as it usually happens after breeding age) And if your to Dark skin for the region you live in your Vitamin D levels will be to low, and thus reducing fertility. Link to comment Share on other sites More sharing options...
albertlee Posted November 18, 2004 Share Posted November 18, 2004 If M*ke J*ckson can change his skin to white,, can I change my skin, lets say, blue?? Albert Link to comment Share on other sites More sharing options...
albertlee Posted November 18, 2004 Share Posted November 18, 2004 If M*ke J*ckson can change his skin to white,, can I change my skin, lets say, blue?? Albert Link to comment Share on other sites More sharing options...
Guest ImpFetus Posted November 19, 2004 Share Posted November 19, 2004 You could have your skin tattooed blue. Link to comment Share on other sites More sharing options...
Guest ImpFetus Posted November 19, 2004 Share Posted November 19, 2004 You could have your skin tattooed blue. Link to comment Share on other sites More sharing options...
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