Answer:
1,2 × 10⁹ : 1
Explanation:
In fact, the average male will produce roughly 525 billion sperm cells over a lifetime and shed at least one billion of them per month. A healthy adult male can release between 40 million and 1.2 billion sperm cells in a single ejaculation.
The answer is zooplankton
Fingerprints are still recoverable for long lengths of time, about 6 weeks, so you would still have the fingerprint ( no DNA profiling ) so you would likely be fine if it wasn't there for long.