10
24
– planets involved
10
16
– square feet per planet
10
10
– worms per square foot
10
13
– mutations per worm per year
10
14
– years of time allowed
10
77
– total sequences attempted
1 in 10
223
– resultant probability = zero!
WORMS EVOLVING AN EYE WITH A 1 IN 2
PROBABILITY OF GETTING A GOOD
MUTATION VERSUS A LETHAL MUTATION