OK you guys:- a fun Christmas Sunday poll. What colour are your eyes?

Blue_Choo_Choo

I have complete heterochromia. I wear a blue contact lens so my eyes match in color. It is bizarre looking like half a blue eyed girl. With the contact lens. I am the full blue eyed girl.

happy35

I have very dark brown eyes, oh bright blue eyes and D's brown eyes but not as dark as mine

onlyroz

Genetically brown eyes are dominant so if a brown eyed and blue eyed person have a child there is a 3/4 chance the baby will have brown eyes. Blue eyes are more common in the UK probably because of the Vikings.

[Deleted User]

Another blue-eyed poster. I also have a very prominent limbal ring!

No I am not being rude. This is the line around the outside of your eye seperating the colour from the white of the eye. My eyes look as though someone has drawn around them in black marker pen.

NoGoodNamesLeft

onlyroz wrote: »

Genetically brown eyes are dominant so if a brown eyed and blue eyed person have a child there is a 3/4 chance the baby will have brown eyes. Blue eyes are more common in the UK probably because of the Vikings.

It all depends on what genes the brown eyed parent has. If they are carrying a blue and brown gene only the brown will show in the parent but the child will have a 50/50 chance of having blue eyes, depending which is passed on. If they are carrying two copies of the brown gene the child will always have brown eyes (barring mutations).

onlyroz

NoGoodNamesLeft wrote: »

It all depends on what genes the brown eyed parent has. If they are carrying a blue and brown gene only the brown will show in the parent but the child will have a 50/50 chance of having blue eyes, depending which is passed on. If they are carrying two copies of the brown gene the child will always have brown eyes (barring mutations).

Perhaps I should have been clearer. Browns out-number non-browns by 3:1.

If we have B for brown and b for blue, brown is dominant, and people get one gene from each parent, then the possible combinations are:

BB - brown eyes
Bb - brown eyes
bb - blue eyes

So if one parent is BB then their child will 100% have brown eyes regardless of their partner's eyes.

If Bb and Bb have children then the child has a 25% chance of blue eyes

If Bb and bb have children then the child has a 50% chance of blue eyes

If bb and bb have children then the child has a 100% chance of blue eyes

For simplicity here I define "blue" to mean "not brown".

Clear as mud?

For the record I have blue eyes and I come from the part of the country where the Vikings landed and began their pillaging.

System

green-blue

themull1

Granny - Green Eyes,Grandad Brown Eyes Mam - Dark Brown Eyes, Dad dark brown eyes, me Green eyes, brother Hazel eyes, my kids, one grey eyes one blue(their dad has blue)

MothballsWallet

Me - blue (although Mrs MbW says they're more grey)
Mrs MbW - brown.

Lily-Rose_3

blue! ...