spectrum recognition capabilities why is it so easy?

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Ok lets try like this. Assume spectrum is on the X-chromosome and its recessive. Then

x= normal gene X AS gene y normal y chromosome
XX and Xy have AS; female, male
Xx is female that carries the gene but doesnt have it
xx and xy are without any AS genes

1) if both are AS XX+Xy--> XX and Xy
all children will get it

2) If the mother is AS and the father NT XX+xy --> Xx and Xy
then all sons get it and none of the daughters, but theyll all carry it recessively on

3) If the mother carries it and the father is AS Xx+Xy --> xy, Xy and Xx, XX
then half of the sons get it and half of the daughters get it, all daughters will carry it on when they dont have it

4) if the mother carries it and the father is NT Xx+ xy --> xy,Xy and xx, Xx
half of the sons will get it and half of the daughters will carry it on

5) if the mother is NT and the father is AS xx + Xy --> xX, xy
none of the sons get it and all of the daughters will carry it on

right? It's already such a long time for me I had it in school

Well that doesnt fit.
For me that wouldnt either.
My mum has it and we all have it, which means then that my father must have it too, which I dont think
Some other ideas? How about dominant? would that fit?


Level of affection: No idea at all.

Maybe even environmental dependent. And maybe also on the learning process in childhood

What I wonder, is there people on the spectrum that would have sensory issues, but no social issues?
(They got it right to look into peoples faces as a baby and related to that, developed normally just have sensory issues maybe)

Onks, perhaps it works for some subtypes of autism, but not for all types?

I never paid much attention to my science classes, but I have always wondered why of my identical twin sisters, one seems to clearly fit BAP and one does not. Yet genetically, they are identical. Does epigenetics account for that?

There are many different genes that contribute to ASD's on different chromosomes-each just contributing a little bit-so something like X-linked inheritance certainly won't account for it all-ASD is polygenetic.

I'm diagnosed ASD, my mom and dad both have definite autistic traits-my mom is really introverted and has few friends-never dated again after leaving my dad 25 years ago and has sesnory issues-she wears her shirts and socks inside out at home beacuse she can't stand the feel of seams, she can only wear certain materials, tags drive her crazy, and she's super sensitive to certain smells ect then my dad has traits like missing social cues , mostly the cue that people are bored with what he's talking about because he does go on and on about his interests. So my mom and dad both have some traits which makes sense if they both had some contributing genes. Then my younger sister- my only sibling - has no autistic traits- she's also an "NT poster child"- very socially adroit. She also has a higher IQ than me (hers is in the genius range), is more talented (with dance and music) and is 2 inches taller than me. Genetics are complicated.......unfair.........

Actually identical twins DO NOT share 100% of the same genetic material..........although they share very close to that. It was thought until very recently that they did but they don't. It's not really understood/known yet whether epigenetics plays any role in autism and if so what role. Epigenetics is a fairly recent field of study.

yeah, definetely right. I think that it is even plausible to develope into autism. Like the symptoms that we have are a result of year long development of our brains, around the deficits.

Thinking versus feeling, verbal instead of facial expression communication, those things. If you have similar deficits then youd probably cope in a similar way and would behave quite autistic.

Just also, to underestimate the role of genetics on autism spectrum is quite wrong. I guess the majority has a spectrum of genetic origin.
And we're not at all talking about aspergers here, just the spectrum in general, which can be so mild that you cant really see it.

Example: My sister doesnt have any social problems, but still she likes weird things and she stresses easily. She definitely doesnt have aspergers. But she is definetely on the spectrum. thats how i see it.

Aspergers is in that sense a sort of hindering to get the autism spectrum nailed down efficiently. If you dont have aspergers it doesnt mean at all that you're not autistic. Try to explain that with the genes when youd ignore the rest of the spectrum...

Thats why i like so much the idea of vanilla smell. Easy to recognise by tests
and easy to connect to genetics?

I have also thought about epigenetics. It could well be also the origin of the level of affection of autism. In theory it could be even that all humans carry the autism genes. They are just activated in the childhood or not.

For me it seems that all this relates to sensory overloads which causes the inability to read faces and other stuff. That seems at least plausible.
I mean my feeling to be lost when trying to do both face and do rational thinking at the same time. Thats a pretty bad feeling. So as a child youd simply not look anymore into faces.

Are you sure she doesnt have any spectrum related things? I mean they hide pretty well if you're not affected so much or very little. Stress for example?
Vanilla smell? hehe

My son always seems to befriend other 'quirky' kids or children who are younger. He is so much more 'at ease' and comfortable with kids in his social skills group, it's lovely to see him content and free to be himself. I am sure some of it is because they are less socially challenging but also because they just 'get him'.

Yes, I have had similar experiences.