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  #1 (permalink)  
Old 06-August-2006, 03:16 PM
future_scientist future_scientist is offline
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Exclamation hi! and some stuff about identical twins and their fingerprints

hello people!

okay so this is my first post. YAH ME!

anywhos done with the intro, lets get to my question.
(excuse any bad spelling)
okay obviously over the years ive had different teachers who taught me different things. so one year (when i waz young) my teacher told me bout DNA and how its like an "instruction book" 4 ur body. it tells u wat color ur hair is and stuff like that everything down to the size of ur big toe. that same year, but sometimelater, i learned that identical twins have different sets of fingerprints even though everything else about them is the same. the next year we got a little more into dna and i learned that identical twins have identical dna. so i waz lyke wait....if dna is the "instuction book"for ur body and twins have the exact same dna, how can their fingerprints be different????

i think im really missing something here. plz tell me if u kno, or even if u have any ideas, id really appreciate it. thanx

-gravy (cool codename huh??? )
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Old 06-August-2006, 03:30 PM
Ronald Brak Ronald Brak is offline
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Nah, it's not an instruction book. A better anology might be a recipe. If you use the same recipe two raisin cakes might taste the same, but every individual raisin isn't going to be in the same place in each cake. Lots of things about your body are determined by chance. Finger prints are one of these. Perhaps your genes define some broad parameters such as if you'll have loops or whorls, but after that it's just a random process. There's not really that much infomation in DNA, not enough to micromanage the growth of an entire body, so basically it delegates.

Oh, and I'm supposed to say something like welcome to the board, and congratulate you on your choice of name, but I might leave that to people who actually have social skills.
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Old 06-August-2006, 03:32 PM
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If two different people put together the same model kit using the same instructions, glue, and paint, they'll still look a bit different.

Even if the DNA is identical, identical twins' bodies are slightly different because each has a different history. Small changes in the prenatal environment, nutrition, activity, and a host of other variables will have an effect on how the DNA's instructions are carried out.
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Old 06-August-2006, 06:48 PM
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Fingerprint formation :
http://onin.com/fp/lpfaq.html
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Old 08-August-2006, 09:34 AM
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the small linear grooves and ridges on our fingers called fingerprints are formed in embryo in advanced stages of gestation. It is effected by DNA and also the wall of uterus so that's why even in identical twins fingerprints won't match, because if two person fell down in same position and in same fashion they won't get exact same hurt.
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Old 08-August-2006, 09:54 AM
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I know nothing about fingerprints, but welcome to the board!
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Old 08-August-2006, 10:02 AM
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Future Scientist,

A gud way 2 think about it is, sapos one twin get bumped on de hed, and the udder, he dont. U can imagine dat the 1 twin, he get a scar, and the udder, he dont. By the way, this is fun, but if u becum a future scientist, dont try writing a manuscript with this kind uv spelling!

L8r,
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Old 08-August-2006, 12:48 PM
farmerjumperdon farmerjumperdon is offline
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Genes, environment & brain, a 3-way interplay that makes you who you are.

Think of the genes as the recipe, the environment as the kitchen, and the brain as the cook; except the cook doesn't play much influence until it gets a little experience, and it's initial starting state is determined by the other two, and then it ad-libs a bit (unlike the genes, it can change quickly) as the dish (your life) takes form.

For dessert we'll be serving strawberry tart with a bit of rat.

Welcome to the board.
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Old 08-August-2006, 12:54 PM
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Quote:
Originally Posted by farmerjumperdon
For dessert we'll be serving strawberry tart with a bit of rat.

Welcome to the board.
How much rat?

There are other factors than can change fingerprints as well. I have 20 to 25 scars on the fingertips of my left hand from various knife sharpening mishaps. (how does UPS knock so loud anyway?) That would the clumsy cook at work.
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Old 08-August-2006, 01:05 PM
farmerjumperdon farmerjumperdon is offline
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Quote:
Originally Posted by Tog_
(how does UPS knock so loud anyway?)
They have huge knockers:

http://en.wikipedia.org/wiki/Image:D...r_Florence.jpg
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Old 08-August-2006, 02:06 PM
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Quote:
Originally Posted by farmerjumperdon
[Frankenstein, Igor and Inga in front of HUGE castle doors]
Dr. Frederick Frankenstein: What knockers.
Inga: Oh, thank you doctor.
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Old 08-August-2006, 03:49 PM
farmerjumperdon farmerjumperdon is offline
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Quote:
Originally Posted by Swift
[Frankenstein, Igor and Inga in front of HUGE castle doors]
Dr. Frederick Frankenstein: What knockers.
Inga: Oh, thank you doctor.
One of my favorite comedic movies, hands down. Other of my favorite scenes are the blind guy (Hackman), the dance number when the monster makes his stage debut, and the part where he instructs the hired help not to let him out no matter what - then locks himself in the cell with the monster.

Then there's walk this way, Abby Normal, the horse and Frau Blucher, etc.

Fabulous stuff.
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Old 08-August-2006, 04:26 PM
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Quote:
Originally Posted by farmerjumperdon
Then there's walk this way, Abby Normal, the horse and Frau Blucher, etc.
Nay
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Old 08-August-2006, 06:43 PM
farmerjumperdon farmerjumperdon is offline
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That provided for a well deserved afternoon chuckle.

Thanx
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