Can fingerprint patterns be inherited? - PowerPoint PPT Presentation

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Can fingerprint patterns be inherited?

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Can fingerprint patterns be inherited?
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Can fingerprint patterns be inherited?

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  1. Can fingerprint patterns be inherited?

  2. Big Question Can fingerprint patterns be inherited through family members. I know that every person has there own fingerprint and that no one’s is the same but I wanted to see if family members could have like fingerprint patterns.

  3. Hypothesis • I do think that fingerprint patterns can be inherited through family members. • It makes sense that fingerprint patterns could be inherited just like hair or eye color can.

  4. Interesting facts • The 3 basic types of fingerprint patterns are arch, loop, and whorl. • Arch fingerprint patterns are found in about 5% of the fingerprints. • Loops occur in about 60%-70% of the fingerprints. • Whorls are seen in about 25%-35% of the fingerprints.

  5. Plain Arch Tented Arch Ulnar Loop Radial Loop Double Loop Whorl More Interesting Facts (Types of Fingerprints)

  6. Procedure Label each sheet of paper with a family member’s name. Split the sheet of paper into 10 equal sections. Label each section of paper with the name of a finger and the hand it is on. Have each member of my family press their finger onto a pad of ink. Each person will then press that same finger onto the piece of paper in the correct section. Repeat with the rest of the family and observe. • Materials • 4 sheets of paper • Ink pad • My family • Piece of paper and a pencil • Magnifying glass • Control • I used the same ink and paper for each person. • Variables • The people/family that I used.

  7. JD Nash (Dad) IndL: Whorl ThmbL: Radial Loop MdlL: Arch RingL: Whorl PnkL: Arch IndR: Arch ThmbR: Ulnar Loop MdlR: Arch RingR: Whorl PnkR: Radial Loop Lois Nash (Mom) IndL: Whorl ThmbL: Radial Loop MdlL: Whorl RingL: Whorl PnkL: Radial Loop IndR: Ulnar Loop ThmbR: Ulnar Loop MdlR: Arch RingR: Arch PnkR: Ulnar Loop Data

  8. Madison IndL: Double Whorl ThmbL: Radial Loop MdlL: Whorl RngL: Whorl PnkL: Radial Loop IndR: Whorl ThmbR: Radial Loop MdlR: Ulnar Loop RingR: Ulnar Loop PinkR: Ulnar Loop Hunter IndL: Whorl ThmbL: Arch MdlL: Arch RingL: Whorl PnkL: Arch IndR: Whorl ThmbR: Ulnar Loop MdlR: Arch RingR: Whorl PinkR: Ulnar Loop Data continued

  9. Analysis of Data 80% of Hunter’s fingerprint patterns were either the same as my mom’s or my dad’s. 70% of Madison’s (my) fingerprint patterns were the same as my dad’s or my mom’s. My data shows that fingerprint pattern’s can be inherited.

  10. Conclusion • My hypothesis was correct because based on my data, fingerprint patterns can be inherited. • If I was to do this same experiment again I would use multiple families and more people from each family. I would get fingerprints from grandparents, aunts, and uncles. • After performing my experiment I thought of more questions. Are fingerprint patterns more often found on certain fingers? Do identical twins have identical fingerprint patterns?

  11. References • www.fbi.gov • www.policensw.com • www.odec.com