Suppose
HI
is added across the double bond of the alkene in the drawing area below, and only the anti-Markovnikov product is formed. Highlight the carbons that would become chiral centers. If no new chiral centers would be created, check the box under the drawing area. Note: don't highlight any carbons that were already chiral centers in the reactant. You're looking for carbons that would become new chiral centers. No new chiral centers would be created.