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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To wonder at genetics

82 replies

TwittleBee · 01/03/2026 20:03

Does anyone else wonder where you or another family member got their genetics?

I sometimes wonder about our son; where did he get his skin tone, hair and eye colour.

He is the only one of us to have straight hair with brown eyes and olive skin. He is almost all one colour, sort of this dark gold.

Meanwhile the rest of us are all curly haired, green/blue eyes with freckles with pale skin (including extended family on both sides)

The one thing my son and I do share is our eyes, we both have epicanthal folds and I always wonder where we got those as no one in my family has them.

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MyOpalCat · 06/03/2026 13:51

My siblings look nothing a like - but they both look like me.

My kids eveyone recognised them as siblings they look so a like - even stangers passing them on the street will ask if they are related to sibling they know.

RaraRachael · 06/03/2026 13:53

My 2 kids look nothing like each other of their parents.

My son is the double of my mother's brother. My baby granddaughter and I at one year old could be the same person.

Donetta · 06/03/2026 13:54

RockyBirdy · 01/03/2026 20:29

Interestingly, my eldest has green eyes and both DH and I have blue. It puzzled me for years as it should be more or less impossible. Eventually I discovered that my eyes are not pure blue! I have flecks of a hazel colour which you can only see when my pupils are constricted!

That small difference is what has been passed on to her....

I've attached pics

Why should it be impossible? The genetics of eye colour are very complex.

sashh · 06/03/2026 14:15

MyOpalCat · 06/03/2026 13:49

I don't think food tastes can be genetic?

Partly I think - super tatsers are a know thing having higher density of taste buds on the tongue and opposite poor tasters also have genetic compnemets - sometime with taste buds sometimes with smell issues.

Only a section of the population can famoulsy smell cyanide - it's a common plot point in histrocial murder plots - and even in cats I think 20% don't react to cat nip.

However food is complex - it's partly what we've learnt and also childhood associations so memory in there.

I have a cat that catnip does not effect.

I've had cats before and I used to foster cats and she is the fist to just look at it as if to say,"What's that?"

thebeautifulsky · 06/03/2026 15:01

My siblings all have the tall gene, missed me sadly! Separately, we don't look alike but when together, there are some subtle similarities. I'm dark haired, blue eyes, small and petite, my brothers are stocky and well over 6 feet. My sisters are fair, tall and willowy. We can't see where the tall gene came from. We had a family photo taken at Christmas and the difference is height between me and my siblings is striking!

I've been researching our family history for years and all the military records say the men in our family were around 5"4". I guess this was normal height back then.

All my nieces and nephews are tall too.

Our Dad was short. Mum was 5'9".

My DC don't really look alike. Both tall though. One blue eyed and fair, other dark brown eyes and dark, almost black hair.

DGC - I can see lots of family members in them going back generations. Fascinating stuff.

One thing we all have in common though is being left handed.

Jom222 · 06/03/2026 16:28

I'm an adoptee so yes I do often wonder about my genetics.

dizzydizzydizzy · 06/03/2026 17:51

Liminal1975 · 01/03/2026 21:00

My youngest daughter does not look Caucasian, although my husband and I both are. Deeply tanned, dark brown eyes and Asian appearance.

I'm flummoxed. Even my mother asked me if I was sure DH was the father Grin

I knew someone like your DD. He had an Indian ancestor 2 or 3 generations back.

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