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BTD Forums  /  The GenoType Diet  /  Test your knowledge of fingerprint patt.
Posted by: Andrea AWsec, Thursday, October 22, 2009, 10:47pm

got 12 out of 12! :)
Posted by: creativeclaire, Thursday, October 22, 2009, 11:05pm; Reply: 1
I didn't!  Some prints look like they wouldn't be whorls and they were.  Now I understand why I have so many.
Posted by: Sharon, Thursday, October 22, 2009, 11:08pm; Reply: 2
Thanks for sharing this!
Posted by: Symbi, Thursday, October 22, 2009, 11:10pm; Reply: 3
That was fun, thanks Andrea.  Also got 12 out of 12.  There was one of those tented arches though that looked like it had a little loop on the left side.  I have some fingerprints like that and think they are loops as well as arches.  Not sure how I would put those into SWAMI when I get that eventually.
Posted by: Katsy, Thursday, October 22, 2009, 11:15pm; Reply: 4
I got 9/12. But then they kept the 3 errors highlighted, so I reclassified those, and got them correct the 2nd time around. :-)
Posted by: Eric, Thursday, October 22, 2009, 11:21pm; Reply: 5
Good exercise!  Just 1 threw me off... I could have sworn it was a loop, not an arch!
Posted by: Andrea AWsec, Thursday, October 22, 2009, 11:22pm; Reply: 6
Counting Deltas helps to classify the patterns.

Whorls have two deltas

Loops have one delta

Arches have no deltas.

So if you get confused just count the deltas and follow the rules. ;)

Hey Claire I knew you would join in  a game,  you wanted to win.:)
Posted by: Victoria, Friday, October 23, 2009, 12:24am; Reply: 7
Very interesting!  
It took me a bit of work to complete them all accurately, but this was my first time examining fingerprints.   ::)  Ok, I'll get better at this!   8)

Their description of the difference between ulnar and radial loops was opposite of what I thought it was, by the way. .
Posted by: Fernando Boto, Friday, October 23, 2009, 5:39am; Reply: 8
That was fun......12/12
Posted by: Mrs T O+, Friday, October 23, 2009, 4:54pm; Reply: 9
I got 9/12 cuz I thought that those tented arches should be loops. Someone said any one delta makes a loop!! Next time, I should take the test before reading the thread!  :)
Posted by: Gale D., Friday, October 23, 2009, 6:07pm; Reply: 10
I got 11 out of 12 because one of the Arches looks exactly like one of my prints that everyone (including someone at NAP) thought was a Loop!
Posted by: 815 (Guest), Friday, October 23, 2009, 6:45pm; Reply: 11
Quoted from Gale D.
I got 11 out of 12 because one of the Arches looks exactly like one of my prints that everyone (including someone at NAP) thought was a Loop!

Not me. I told you it was an arch.  ::)  ;) ;D
Posted by: paul clucas, Friday, October 23, 2009, 10:35pm; Reply: 12
Got 11 out of 12.  Third-from-the-last fooled me.  Great find!

Too bad more of these are not available online.
Posted by: Symbi, Tuesday, October 27, 2009, 9:56am; Reply: 13
Hi Mrs T O+ - I thought that too, a tented arch looks like it has a delta in the middle but it's not really a delta because it's doesn't have a significant recurving line which passes in front of the delta.

There's more about tented arches at

Administrators - it makes me wonder if we should sticky that thread under the Genotype Diet because there would have to be people wondering what they are and they're not in the book.  Maybe rename it "One Delta - Tented Arch"
Posted by: Lin, Monday, November 26, 2012, 8:40pm; Reply: 14

That's a great website -

I think I have 4 central pocket whorls, seems rather a lot!

Posted by: prunella, Tuesday, November 27, 2012, 1:14am; Reply: 15
That fingerprint lesson was fun!
But I don't think I'll have a second career as a CSI.
I did not read the whole thread and forgot to count the deltas, so only got 9/12 correct.  I couldn't get the second part to open.  :-/

I have been off of wheat for over a year and still have white lines.
Posted by: ABJoe, Tuesday, November 27, 2012, 1:24am; Reply: 16
Quoted from prunella
I have been off of wheat for over a year and still have white lines.

Depending on how much healing needed to take place, it may be another year (or more) before all of the white lines are gone...  We each have a different journey to go through the healing process.  Just keep healing and you're on the right path.
Posted by: purlgirl, Wednesday, November 28, 2012, 1:07am; Reply: 17
Got  all twelve.

I have 2 like the strange one ( looks like a Greek key design) but I have not been calling them whirls.

SWAMI has an option - "composite" - thats what I selected. Hope that is right because I don't want to list 6 whirls on my SWAMI.
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