Re: : Big study identifies new genes that may be involved in autism

[Guest guest]

Tina Terri,

What I said is that the reasons that HUMANS INTELLIGENTLY evolved was due to a gene mutation which reduced our jaw strength and allowed more interior skull room for brain growth.

Re: : Big study identifies new genes that may be involved in autism

Posted by: "Tina Terri Austin" austintandt@... austintandt

Wed Jun 16, 2010 8:30 am (PDT)

I've actually heard evolution as a reason for asd. In relation to bigger brains, though I'm aware you weren't referring to our kids' bigger head size, the cause is said to be neuroinflammation, not a bigger and or more useful brain.Sent from my iPhoneOn Jun 16, 2010, at 2:09 AM, "Diane Rosenstein" <Wamtzembellsouth (DOT) net> wrote:> And also why, mostly, all of a startling sudden?>> Also, They are saying gene mutation or deletions. Not just plain > old height genes or cleft palate gene.>> Actually, the reason humans have intelligence in the first place is > because of a gene mutation. A gene "defect" greatly weakened our > jaw strength, and left a whole lot of room in our skull for a big > brain to grow. A gorilla's skull is mostly filled with jaw muscle. > I think.>> http://webcache.googleusercontent.com/search?q=cache:cPZh8MFjZU4J:www.bioedonline.org/news/news.cfm%3Fart%3D887+gorilla+jaw+muscle & cd=1 & hl=en & ct=clnk & gl=us>>> So maybe the boom of autistic children is evolution. Please! Don't > throw anything at me!>

[Guest guest]

From the link I included below:

"MYH16, a chief component of the powerful jaw muscles of many non-human primates such as chimpanzees and gorillas. When the researchers examined human DNA samples from across the world, they discovered that we all share a defect in the gene that creates this protein. Using estimates of evolution rates, they deduced the mutation's age.

The researchers then compared human skulls to those of other primates, and saw that even distantly related species, such as gorillas and macaques, share large crests on their skulls to which their heavy jaw muscles attach. Such structures are notably absent from human skulls despite our fairly close genetic kinship with gorillas.

Our ancestors may have lost their skull crests when our jaw muscles stopped exerting so much strain on the skull, suggests Minugh-Purvis's colleague Hansell Stedman, who led the study. "Muscle sculpts bone," he says. "The structure can be modified by the forces acting on it."

By doing away with large anchors for chewing muscles, our skull may have freed itself to grow into its modern, rounded shape, says Stedman. Powerful jaws may be incompatible with powerful brains, he suggests."

Posted by: " Cislo" tigyrlily@... susan.cislo

Thu Jun 17, 2010 11:37 am (PDT)

Jaw muscles are on the *outside* of the skull and have nothing to do with cranial capacity.>> And also why, mostly, all of a startling sudden?>> Also, They are saying gene mutation or deletions. Not just plain > old height genes or cleft palate gene.>> Actually, the reason humans have intelligence in the first place is > because of a gene mutation. A gene "defect" greatly weakened our > jaw strength, and left a whole lot of room in our skull for a big > brain to grow. A gorilla's skull if mostly filled with jaw muscle. > I think.>> http://webcache.googleusercontent.com/search?q=cache:cPZh8MFjZU4J:www.bioedonline.org/news/news.cfm%3Fart%3D887+gorilla+jaw+muscle & cd=1 & hl=en & ct=clnk & gl=us>>> So maybe the boom of autistic children is evolution. Please! Don't > throw anything at me!>

[Guest guest]

From the link I included below:

"MYH16, a chief component of the powerful jaw muscles of many non-human primates such as chimpanzees and gorillas. When the researchers examined human DNA samples from across the world, they discovered that we all share a defect in the gene that creates this protein. Using estimates of evolution rates, they deduced the mutation's age.

The researchers then compared human skulls to those of other primates, and saw that even distantly related species, such as gorillas and macaques, share large crests on their skulls to which their heavy jaw muscles attach. Such structures are notably absent from human skulls despite our fairly close genetic kinship with gorillas.

Our ancestors may have lost their skull crests when our jaw muscles stopped exerting so much strain on the skull, suggests Minugh-Purvis's colleague Hansell Stedman, who led the study. "Muscle sculpts bone," he says. "The structure can be modified by the forces acting on it."

By doing away with large anchors for chewing muscles, our skull may have freed itself to grow into its modern, rounded shape, says Stedman. Powerful jaws may be incompatible with powerful brains, he suggests."

Posted by: " Cislo" tigyrlily@... susan.cislo

Thu Jun 17, 2010 11:37 am (PDT)

Jaw muscles are on the *outside* of the skull and have nothing to do with cranial capacity.>> And also why, mostly, all of a startling sudden?>> Also, They are saying gene mutation or deletions. Not just plain > old height genes or cleft palate gene.>> Actually, the reason humans have intelligence in the first place is > because of a gene mutation. A gene "defect" greatly weakened our > jaw strength, and left a whole lot of room in our skull for a big > brain to grow. A gorilla's skull if mostly filled with jaw muscle. > I think.>> http://webcache.googleusercontent.com/search?q=cache:cPZh8MFjZU4J:www.bioedonline.org/news/news.cfm%3Fart%3D887+gorilla+jaw+muscle & cd=1 & hl=en & ct=clnk & gl=us>>> So maybe the boom of autistic children is evolution. Please! Don't > throw anything at me!>

[Guest guest]

From the link I included below:

"MYH16, a chief component of the powerful jaw muscles of many non-human primates such as chimpanzees and gorillas. When the researchers examined human DNA samples from across the world, they discovered that we all share a defect in the gene that creates this protein. Using estimates of evolution rates, they deduced the mutation's age.

The researchers then compared human skulls to those of other primates, and saw that even distantly related species, such as gorillas and macaques, share large crests on their skulls to which their heavy jaw muscles attach. Such structures are notably absent from human skulls despite our fairly close genetic kinship with gorillas.

Our ancestors may have lost their skull crests when our jaw muscles stopped exerting so much strain on the skull, suggests Minugh-Purvis's colleague Hansell Stedman, who led the study. "Muscle sculpts bone," he says. "The structure can be modified by the forces acting on it."

By doing away with large anchors for chewing muscles, our skull may have freed itself to grow into its modern, rounded shape, says Stedman. Powerful jaws may be incompatible with powerful brains, he suggests."

Posted by: " Cislo" tigyrlily@... susan.cislo

Thu Jun 17, 2010 11:37 am (PDT)

Jaw muscles are on the *outside* of the skull and have nothing to do with cranial capacity.>> And also why, mostly, all of a startling sudden?>> Also, They are saying gene mutation or deletions. Not just plain > old height genes or cleft palate gene.>> Actually, the reason humans have intelligence in the first place is > because of a gene mutation. A gene "defect" greatly weakened our > jaw strength, and left a whole lot of room in our skull for a big > brain to grow. A gorilla's skull if mostly filled with jaw muscle. > I think.>> http://webcache.googleusercontent.com/search?q=cache:cPZh8MFjZU4J:www.bioedonline.org/news/news.cfm%3Fart%3D887+gorilla+jaw+muscle & cd=1 & hl=en & ct=clnk & gl=us>>> So maybe the boom of autistic children is evolution. Please! Don't > throw anything at me!>

[Guest guest]

is evolution still taught in schools because that is just so utterly

idiotic--are you guys just joking, because i find all of this very amusing.

glad my son is on his way to recovering, though not through evolution, but he

grace of God

kind regards

>

> > And also why, mostly, all of a startling sudden?

> >

> > Also, They are saying gene mutation or deletions. Not just plain

> > old height genes or cleft palate gene.

> >

> > Actually, the reason humans have intelligence in the first place is

> > because of a gene mutation. A gene " defect " greatly weakened our

> > jaw strength, and left a whole lot of room in our skull for a big

> > brain to grow. A gorilla's skull if mostly filled with jaw muscle.

> > I think.

> >

> >

http://webcache.googleusercontent.com/search?q=cache:cPZh8MFjZU4J:www.bioedonlin\

e.org/news/news.cfm%3Fart%3D887+gorilla+jaw+muscle & cd=1 & hl=en & ct=clnk & gl=us

> >

> >

> > So maybe the boom of autistic children is evolution. Please! Don't

> > throw anything at me!

> >

> >

> > Re: : Big study identifies new genes that may be involved in autism

> >

> > Posted by: " tiffany thomsen " dreamstar52@... dreamstar52

> >

> > Mon Jun 14, 2010 5:17 pm (PDT)

> >

> >

> > The real question is: What the heck is in our environment so readily

> > available that 1 in 99 children are on the spectrum?

> >

> >

>

[Guest guest]

is evolution still taught in schools because that is just so utterly

idiotic--are you guys just joking, because i find all of this very amusing.

glad my son is on his way to recovering, though not through evolution, but he

grace of God

kind regards

>

> > And also why, mostly, all of a startling sudden?

> >

> > Also, They are saying gene mutation or deletions. Not just plain

> > old height genes or cleft palate gene.

> >

> > Actually, the reason humans have intelligence in the first place is

> > because of a gene mutation. A gene " defect " greatly weakened our

> > jaw strength, and left a whole lot of room in our skull for a big

> > brain to grow. A gorilla's skull if mostly filled with jaw muscle.

> > I think.

> >

> >

http://webcache.googleusercontent.com/search?q=cache:cPZh8MFjZU4J:www.bioedonlin\

e.org/news/news.cfm%3Fart%3D887+gorilla+jaw+muscle & cd=1 & hl=en & ct=clnk & gl=us

> >

> >

> > So maybe the boom of autistic children is evolution. Please! Don't

> > throw anything at me!

> >

> >

> > Re: : Big study identifies new genes that may be involved in autism

> >

> > Posted by: " tiffany thomsen " dreamstar52@... dreamstar52

> >

> > Mon Jun 14, 2010 5:17 pm (PDT)

> >

> >

> > The real question is: What the heck is in our environment so readily

> > available that 1 in 99 children are on the spectrum?

> >

> >

>