Genetics - brown/blonde babies

[Anonymous]

Anonymous wrote:Recessive genetics: Two blue eyed parents can only have blue eyed children. (unless their eyes are not really blue, but are grey --that is a dilution of the brown gene) Green eyes are a mix of brown + blue gene. Dilution gene is an aspect of another gene -- make it lighter, and is recessive.
True blondes, who remain blondes in adulthood without a trip to the hairdresser: If both parents are true blondes, all off spring will be blonde. Blonde + recessive dilution gene = white blond hair.
Blonde as kids, brown as adults have dominant brown gene. It is possible to have a double recessive blonde hair child, but (80% against) unlikely if both parents carry the brown gene. Genetics!

This would be true if hair were peas but the genetics of human eye/hair color are more complicated.

[Anonymous]

Anonymous wrote:To the 9:11 PP - how do genetics come into play for IQ? I've always been curious about this. My IQ was higher than either of my parents' IQs. My husband is in the 140's and I'm in the high 130's; I'm curious about what that means for our daughter.

Dude, start a thread about it. This is about HAIR COLOR

[Anonymous]

DD is half Asian, half white.

She was born with black hair and blue eyes. Now she has light brown hair and green eyes.

So...I would say take a wait-and-see approach -- children's hair and eye color is so mutable.

[Anonymous]

Anonymous wrote:

Anonymous wrote:Recessive genetics: Two blue eyed parents can only have blue eyed children. (unless their eyes are not really blue, but are grey --that is a dilution of the brown gene) Green eyes are a mix of brown + blue gene. Dilution gene is an aspect of another gene -- make it lighter, and is recessive.
True blondes, who remain blondes in adulthood without a trip to the hairdresser: If both parents are true blondes, all off spring will be blonde. Blonde + recessive dilution gene = white blond hair.
Blonde as kids, brown as adults have dominant brown gene. It is possible to have a double recessive blonde hair child, but (80% against) unlikely if both parents carry the brown gene. Genetics!

This would be true if hair were peas but the genetics of human eye/hair color are more complicated.

This. And intelligence is even more complicated.

[Anonymous]

Anonymous wrote:

Anonymous wrote:Recessive genetics: Two blue eyed parents can only have blue eyed children. (unless their eyes are not really blue, but are grey --that is a dilution of the brown gene) Green eyes are a mix of brown + blue gene. Dilution gene is an aspect of another gene -- make it lighter, and is recessive.
True blondes, who remain blondes in adulthood without a trip to the hairdresser: If both parents are true blondes, all off spring will be blonde. Blonde + recessive dilution gene = white blond hair.
Blonde as kids, brown as adults have dominant brown gene. It is possible to have a double recessive blonde hair child, but (80% against) unlikely if both parents carry the brown gene. Genetics!

This would be true if hair were peas but the genetics of human eye/hair color are more complicated.

Mendel! I remember Mendel!

[Anonymous]

Anonymous wrote:
To the 9:11 PP - how do genetics come into play for IQ? I've always been curious about this. My IQ was higher than either of my parents' IQs. My husband is in the 140's and I'm in the high 130's; I'm curious about what that means for our daughter.


Dude, start a thread about it. This is about HAIR COLOR

Don't worry, it's already been done for you!
http://www.dcurbanmom.com/jforum/posts/list/238470.page#2464009

FWIW, the genetics of intelligence is far more complicated than eye color, but the thread has fun anecdotal info.

[Anonymous]

Anonymous wrote:I have red hair and my parents both have brown. No idea where that came from.

Coincidently, your parent's mailman is a red head.

[Anonymous]

OP-- how old is your baby??? Newborn hair a lot of times falls out and replaced with something else entirely.

My sister's blondest kid was born with jet black hair like her---which then fell out and was replaced with blonde in 2 months time.

My oldest went through darkish newborn hair..and then just the bottom very dark, to a reddish tint and finally around 2-3 months the very blonde color that he still has today at 7 years old.

My youngest had very blonde hair at birth and now is dirty blonde at 4.5. I am dark brunette--that was dark blonde my first 3-4 years of life. I am married to a blonde.

[Anonymous]

My DD was born with black hair and now has dirty blond at age 13.

[Anonymous]

Anonymous wrote:

Anonymous wrote:I have red hair and my parents both have brown. No idea where that came from.

Coincidently, your parent's mailman is a red head.[/quote

Ugh, dude. This is like Two-and-a-half-men level obvious and lame joke.

We need a sad trombone sound we can embed in threads for stupid jokes.

[Anonymous]

Red hair and blue eyed baby became blond and green eyed.

[Anonymous]

Anonymous wrote:DD is half Asian, half white.

She was born with black hair and blue eyes. Now she has light brown hair and green eyes.

So...I would say take a wait-and-see approach -- children's hair and eye color is so mutable.

Interesting. Is the Asian the mom or the dad?

I am Asian and my son was born with light brown hair and brown eyes, which haven't changed. His dad was tow-headed as a kid with blue eyes, and now has dirty blond hair. Everyone in his family has either blue or green eyes. I have another child who is full Asian and her hair and eyes are much darker than my hapa's.

[Anonymous]

My dh is from South America and I am from here. Our dd is very blonde. I get slightly offended when people make comments about him not being the father. It is pretty rude and my dd is getting old enough to understand the comments. Luckily she looks a lot like him but with blonde hair. I realize people are joking but it is getting annoying.

[Anonymous]

Anonymous wrote:

Anonymous wrote:DD is half Asian, half white.

She was born with black hair and blue eyes. Now she has light brown hair and green eyes.

So...I would say take a wait-and-see approach -- children's hair and eye color is so mutable.

Interesting. Is the Asian the mom or the dad?

I am Asian and my son was born with light brown hair and brown eyes, which haven't changed. His dad was tow-headed as a kid with blue eyes, and now has dirty blond hair. Everyone in his family has either blue or green eyes. I have another child who is full Asian and her hair and eyes are much darker than my hapa's.

I am the mom and I am white, was born with white-blonde hair and now have brown hair/green eyes. DH is Asian, standard black hair/black eyes.

[Anonymous]

Anonymous wrote:My dh is from South America and I am from here. Our dd is very blonde. I get slightly offended when people make comments about him not being the father. It is pretty rude and my dd is getting old enough to understand the comments. Luckily she looks a lot like him but with blonde hair. I realize people are joking but it is getting annoying.

I wouldn't take it personally. People love easy jokes--they can't help themselves. I have four kids, three of whom look just like their dad and one of whom looks like neither of us. People make the mailman joke all the time. Even, I make it.