Which evidence supports Mendel's law of independent assortment?

In a monohybrid cross, both traits appear in the offspring.

In a monohybrid cross, only the dominant trats appear in the offspring.

In a dihybrid cross, only the dominant traits appear in the offspring.

In a dihybrid cross, all four traits appear in all combinations in the offspring.

In a dihybrid cross, all four traits appear in all combinations in the offspring.