RE: -
02-13-2002, 07:16 PM
Here, based on KCSE Biology.
The human skin has a protective shield, against UV rays from the sun. That shield is made out of protein based pigments, most of them being melanin.
In places where the sun is intense, the indigenous skin has higher melanin concentration leading to darker complexion. Example Sudan.
Less sun leads to no melanin, hence pale-white skin. Example Whites.
And in the middle strata we find the middle 'type' fairer complexion.
Note.
1. I have used indigenous, meaning people who have lived at a given place for a long time of period. { endomologicaly speaking, period = thousand of years. This is a derivative of eveolution}. This doesnot include migrants like you or me. You, as a migrant, are defined from where you come from, on the basis of your skin colouration.
2. Skin complexion can be infulences by parental type complexion. That is what Merc was trying to say by 'phenotypes'. Genetically, the child draws such things are skin colour from its parents. So a black/white couple will definetly have a chocolate child.
3. Skin genetic disorder called albino results in no melanin being produced, hence pale skin, hair, and iris.
If I were in your position, I would think seriously about sueing your school. They don't seems to have done anything 'tangible'. A piece of advice, next time you need answers to easy things like this, please consult an encylopedia.
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