Y’all plz help I fell asleep and don’t remember

A.

Explanation:

A mutation is least likely to affect a cell when the mutation reverses the order of bases in a DNA strand.

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.