Saturday, August 10, 2013

How do black people have red hair and green eyes?

red hair and green eyes
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Hello


OK... I know some black people with light skin, red hair, and green eyes!!!!!!!! How is this possible! I mean... It's very rare... does it mean they have irish in them or something?


Answer
Ok... there's something called a dominant genes and recessive genes, which are traits that we carry in our dna

For example, brown hair is a dominant gene, while red hair is a recessive gene. A capital 'B' stands for brown, while a small 'r' represents red. The genes are sort of in pairs...

If someone had 'BB' gene, It would mean they have brown hair. 'rr' means you will have red hair, and if you have 'Br', then you have brown hair because 'B' is the dominant gene.

Each time you give birth, each parent passes on 1/2 of the pair and they come together to give the kid 'xyz' coloured hair...

So the recessive genes are passed through generations, and occasionally, people get two recessive genes (eg, 'rr') and they can have red hair while the parents both have brown hair (but they will have the 'Br' gene). However, the children of the red head might still have different coloured hair because the other parent could have brown/blonde/someothercoloured hair (and this is how red heads are going extinct).

This applies to pretty much many different traits...

Um so that's the science behind it in the simplest terms :) I hope that helps

Can people with red hair have green eyes?




Cnono


I've never seen a person with red hair and green eyes? Is it possible?

p.s i couldn't figure out were to put this question so sorry if i put it in the wrong spot.



Answer
Totally possible. I know several people with red hair and green eyes. The two genes are completely unrelated and a person can have red hair with any color eyes. I have a cousin who has red hair and brown eyes. And I know a couple little kids with red hair and blue eyes. So really all three are possible, including all different shades of red. The hair is incredibly recessive, even moreso than blonde. And the eyes come from a mutation of the blue and brown genes.




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