Dr. Travis looks at an alligator’s “DNA fingerprint” to figure out who is related to who.
Your fingerprints are unique to you — no one else has fingerprints exactly like yours.
But just what is a DNA fingerprint, anyway?
Detectives can use fingerprints to help solve crimes.
Just like detectives can use fingerprints to help solve crimes, geneticists like Dr. Travis can use a DNA “fingerprint” to figure out which gators are related to one another.