How has DNA evidence been used to protect customers from sales of fraudulent sports memorabilia?

Question

A.
Footballs used in Super Bowl games are marked with a synthetic strand of DNA.
B.
Ink pens and markers used to sign autographs are tested for each player’s specific DNA.
C.
Cleats that players wear during the World Series are compared with the player’s DNA.
D.
Winners of the World Cup in soccer have to provide DNA samples after the final match.

Answer 1

B. Ink pens and markers used to sign autographs are tested for each player’s specific DNA.