Add punctuation: The spin button plays the game at the current bet lines bet level and coin value alternatively press the spacebar
A: The spin button plays the game at the current bet lines, bet level, and coin value (alternatively, press the spacebar).

Add punctuation: It means data is not contiguous
A: It means data is not contiguous.

Add punctuation: You can make use of population genetics
A:
You can make use of population genetics.