Sentences with phrase «of skin pigmentation»

Variation in pigmentation among human populations may reflect local adaptation to regional light environments, because dark skin is more photoprotective, whereas pale skin aids the production of vitamin D. Although genes associated with skin pigmentation have been identified in European populations, little is known about the genetic basis of skin pigmentation in Africans.

By working closely with the KhoeSan, a group of populations indigenous to southern Africa, the researchers have found that the genetics of skin pigmentation become progressively complex as populations reside closer to the equator, with an increasing number of genes — known and unknown — involved, each making a smaller overall contribution.

«The full picture of the genetic architecture of skin pigmentation will not be complete unless we can represent diverse populations worldwide,» said Henn.

Why I stress about wardrobe predicaments and lack of skin pigmentation months before I know it will happen, I have no idea.

the crazy thing is all blacks voting for obozo automatically, that shows they are afraid to think open minded and vote for who will do the better job regardless of skin pigmentation.

From the fact that a person has a given shade of skin pigmentation no other fact of any consequence can bee inferred, except that he will be accorded a certain kind of treatment by people in a race - conscious society.

Shortly, you may notice a dark vertical line of skin pigmentation running down the middle of your abdomen, from your belly button to about where your pubic hair begins (the center of your pubic bone).

But in retrospect, it's obvious that the story of skin pigmentation in sub-Saharan Africa is more complicated than that, as there is huge variation in skin colour across the continent today.

The combined data allowed the team to find eight sites in the human genome that are particularly associated with the level of skin pigmentation.

Previous studies of a skin pigmentation gene called MC1R had led many geneticists to think that dark skin colour — which is thought to protect against UV damage — is a fixed and consistent trait in all people of African descent.

Camouflage — in particular, clever patterns of skin pigmentation — helps many modern animals hide from predators in plain sight.

Despite the wide range of skin pigmentation in humans, little is known about its genetic basis in global populations.

Our expedition involving skin color measurements from ethnic Indians reflected high pigmentation diversity, and further analyses revealed SLC24A5 as one of the main determinants of their skin pigmentation variation.

Farrell Harris says a fair skinned person might benefit from 10 - 15 minutes of daily sun exposure, but someone with a lot of skin pigmentation might need several hours to absorb adequate amounts of the vitamin.

On the other hand, IPL focuses on the melanin, exposing you to the risk of skin pigmentation in areas where there's not much contrast between skin and hair colour.

Eat too many of these baddies and brown spots and uneven patches of skin pigmentation may even begin to appear.

PABA is also beneficial in treating eczema, scleroderma, loss of skin pigmentation, irritability, depression fatigue, and irritable bowel syndrome.

I don't have any problem of skin pigmentation per se, but i had hoped it would help achieving a more even tone.

The melanocortin pathway is an important participant in the regulation of skin pigmentation, steroidogenesis, obesity, energy homeostasis, and exocrine gland function.

Many studies have suggested that the genetics of skin pigmentation are simple.

Albino dogs as well as humans are predisposed to a variety of skin problems due to total lack of skin pigmentation.

This study sheds light on the evolutionary history, and adaptive significance, of skin pigmentation in humans.

Analysis of the genetics of skin pigmentation in Africans informs upon melanocyte biology and the evolution of skin pigmentation in humans.