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Here are the fingerprints from the Ferreira family’s left hands. What
can you figure out? Are they the same in any way? Are they different
in any way?
Let’s see how good you are at fingerprint detective work. Each set of
prints in the boxes below belongs to Matt, Jeff, Dan, or their dad. But
the prints aren’t labeled with the name of the person who made them.
Which prints do you think belong to the supertwins? Which prints
belong to their dad? After you make your predictions, check your answers.
Do identical twins or supertwins have identical fingerprints? Now
you know.
Thumb Index finger Middle finger Ring finger
Pinkie
1
2
3
4
Print sets 1, 2, and 4 belong to the supertwins. Set 3 belongs to their dad.
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