What do lawyers have in common with sperm? About one in 50,000 becomes a human!

The way I heard it was, "what do banjo players and sperm have in common?" About 1 in every 10,000 is a good one.

And the one the girls all like; Why does it take 50,000 sperm to fertilize one egg? Because since they are all male, none of them will stop to ask for directions.