Title: Gene.
Question: What are genes that occur from duplication within an organism's genome called?

Title: Frederic Chopin.
Question: The Warsaw Chopin Society holds the Grand prix du disque de F. Chopin how often?

Title: Printed circuit board.
Question: What's the common name of polytetrafluoroethylene?

Title: Franco-Prussian War.
Question:
What were the number of French killed and wounded?