A firm maintains policies that make it difficult for parents to take time off from work to care for sick children or attend required meetings at their children's schools. Since it is mothers, for the most part, who have these child-care responsibilities, this is an example of

Institutional discrimination

Explanation:

Institutional discrimination refers to the discrimination that occurs when an individual is been discriminated or mistreated .

This discrimination happens when their is bias, unjust and when an individual is been oppressed either in a society or institution just as the case of this scenario in which

the firm maintains policies that make it difficult for parents to take time off from work to care for sick children, meaning the parents are been restricted from taking care of their sick children when they are at work which is unjust.

This act carried out by the firm is indicate INSTITUTIONAL DISCRIMINATION

Institutional descrimination

Explanation:

Institutional discrimination is defined as discrimination built into the social system that oppresses whole groups of people and the impact it has on the members of the minority groups due to the explicit and implicit rules that regulate behavior in a society.

Most of the times this discrimination is subconscious because it has been built into our societies norms.

Much institutional discrimination results from judgments made on secondary rather than primary characteristics.

paul revere would be your answer : )