I believe the answer would be B where the condensed chromosomes line up at the equator of the cell.
<span>This would be a positive reinforcer. These are things like rewards and bonuses that will cause the subject to want to continue the rewarded behavior. The reinforcer does not need to be financial or even tangible. Positive comments and approval can be reinforcers that strengthen associated behaviors.</span>
AnswerExplanationnnnnnnnnnnnnnnn:
