Tomorrowland : Hair does not have DNA

Hair is made of protein. It does not have any cells or DNA, except at the root. But Athena puts the middle of a strand of Casey's hair on her sensor, which is somehow able to scan the hair's (non-existent) DNA.

Yes, it's a truly geeky complaint. I actually love this movie.


You want thingamabobs? I got twenty!

While it's true that there is no nuclear DNA in the shaft of the hair there are often some type of remnant cells that do contain it. Perhaps it can't be done in all cases but forensic scientists have extracted DNA from cut hairs. It's conceivable that the vastly superior technology of the movie can do this with much more successfully.

I does have DNA, don't you ever watch those crime forensic shows where the perp leaves behind a hair strand and is implicated in the crime?

The point was the root of the hair strand is where the cell is located. She scanned the center of the strand, not the end where the cell was.

Hair doesn't have DNA except at the root. OK, also the sky is not blue except for the blue parts of the sky.

The base/follicle of a piece of hair contains DNA, but you'd need to pluck it off its root. You wouldn't, for instance, be able to get DNA from the hair found in a barber shop/hairdressers, but hair that has naturally shed is often used by forensic scientists in obtaining crime scene DNA.

An entire strand of hair does contain DNA, but if Athena simply used the middle of Casey's hair rather than plucking a hair from its root, you're right to point out the film's flaw.

The people who invented a way to move between dimensions also invented a way to extract DNA from a strand of hair.

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The people who invented a way to move between dimensions also invented a way to extract DNA from a strand of hair.

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Thank you.

"That's like putting your whole mouth right in The Dip!" - Seinfeld

Actually, although the hair follicle contains the complete DNA sequence, the hair itself does contain mitochondrial DNA, which can be used for identification.

I thought I'd heard every form of protein-myth out there. Goes to show, ignorance is infinite. Every living cell is made of protein (and a bunch of other things; including DNA). Protein is simply PROPPED up in importance; as in propaganda to make meat-eating seem important).

__________________________
Steps to a great life:

Watch "Twilight Zone"
"Escape the Diet Matrix"
Go vegan

Hair most certainly does have a persons DNA within it. You are incorrect.

Apparently, google hasn't yet opened a location near where achun lives.

Hair pulled from the body does contain DNA, derp.

https://www.quora.com/Does-hair-contain-DNA

To see or not to see that is the question

u retard or something it does have DNA, do some advanced study u dumbass

Wow, you must be fun to be around.

Hair shafts DO contain mitochondrial DNA, but not nuclear DNA.

Time wounds all heels.

Thats true, but if its pulled from the root and takes some skin with it which it does most of the time, then there is your DNA.

either way man, she is from the future and a robot, nuff said.

So in fact hair does have DNA, seems to me you are splitting hairs with yer title.