What are benefits of the two party system for the United States

The advantages of a two party system are that they tend to be less extreme, support policies that appeal to a broader segment of the population, and generally more stable.

The disadvantages of a two party system are that they tend to ignore alternative views, stifle debate, and may not promote inter-party compromise but simply partisan appeals to the population.

Explanation:

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.