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Question: Why does most people that are blonde as a child have their hair turn brown!?
Does it have to do with genes!? Like a neutral mutation!?
Can a neutral mutation be passed!?

Best Answer - Chosen by Asker:
Now for the scientific reason why some tow-headed tots grow into brunettes!.

Hair darkens because the genes that control hair color switch on as children age:

---Those genes programmed with a code for more pigment result in brown or even black hair, a change that more usually occurs;
---Genes programmed with a code for little or no pigment result in blond hair, a much rarer [recessive] occurrence!.

Scientists also suspect that genes control the timing of this change since in addition to hair darkening during childhood, hair color often darkens at puberty, which means the change is in part are hormone related!. Darkening hair, in some instances, continues into the 30s and 40s!.

Hair texture, of course, also tends to become coarser with age!. Thicker hair strands are likely to alter hair color even if the level of pigment remains constant!.Www@QuestionHome@Com

I have no idea!. This happened to my sister who has really blonde hair up until about 4 it is now a light brown!. It happened to my hair which was extremely light blonde up until about 9 when it is now a mixture of blonde and brown (but I think it looks better now) And my dad was born with blonde hair and now its jet black!. who knows!? I guess it's genes!.Www@QuestionHome@Com

I know what you mean!.

My hair was white blond and is now a light brown!.

My maternal grandfather had very light blond hair all of his life!. It turns out that he was slightly albino!.

I think my mother may also have been baby blond then changed to golden brown as she got older!.

To confuse the issue my dad had black hair and both my brothers had dark brown hair!.

It is probably just genetic!.Www@QuestionHome@Com

Both of my sisters were born with black hair that turned blonde before they were a year old!. They were what you would call tow heads!. However, their hair turn brown later on!. It happened to my younger sister during her first pregnancy!. Don't know why,Www@QuestionHome@Com

i used to hair white blonde hair when i was little and now it is like auburn/browny red!. I havent dyed it, it has just got darker over the years!. It might be because when you are little, you have thinner, baby hair!.Www@QuestionHome@Com

my hair actually turned lighter a few months after i was born, and it straightened out!. I can't tell you why it happens but your question interested me and i would like to hear what others had to say =]Www@QuestionHome@Com

most people are born with light hair and it darkens down as your body matures, and all baies are also born with bule eyes that useally change too, weird huh!Www@QuestionHome@Com

Usually blond people's DNA is more sensitive than others!. After courseship, the DNA of the blond is more likely to be blend in with the husbands!

Good luck!!!Www@QuestionHome@Com

their hair doesn't turen completly broun, it turs alittle broun!. and its just nature!. maybe its their parents who hase broun hair!.!.!.

i don't know much!.!.!.Www@QuestionHome@Com

mine did that! its annoying! so i dyed it red then blonde now brown! its definitley not just genes cos it happenes to looads of people, and my parents have always been blonde!.Www@QuestionHome@Com

More because of genes, chances are one of the parents had brown hair!.Www@QuestionHome@Com

IT just happens!. The eyes can turn as well!.Www@QuestionHome@Com

I don't know but I was born blonde and I stayed!Www@QuestionHome@Com

Because they get screwed over!. That would suck!.Www@QuestionHome@Com

both of my parents have blond hair and i have black hair!.
idk whyWww@QuestionHome@Com

you dont really neeeed to know!.

p!.s browns more sexyWww@QuestionHome@Com

research it I guess!. But mine didn't :-)
also, blonds are definitely a mutation, as are blue eyes, and all people with blue eyes can be traced back 6-10 thousand years to one ancestor!. And blonds are becoming extinct too! its exciting, so research it!.Www@QuestionHome@Com