I would believe the answer is 1. but science is not my strong suit
Answer:
The Praying Mantis, it can actually turn its head a full 360.
50/50
you see, the coin only has 2 sides
Also, you're flipping it twice
therefore, the probability is matched up and you have a 50/50 chance of getting heads at least 1 of those 2 times
(Hope it helped ^_^)
Answer: for cutting DNA sequences