What is the mistake in the Homologous recombination video?

Keep in mind the following facts:

The current model of the mechanism of exchange of DNA between two homologous chromosomes explains gene conversion and genetic recombination.

1)   A double-stranded DNA molecule undergoes a single-stranded break.

2)   The single-stranded DNA invades the complementary region of the double-stranded homologue.

3)   DNA repair (DNA synthesis) of the dsDNA using the invading ssDNA as template begins.

4)   Reciprocal invasion results in the formation of the "double crossover" or Holliday Junction.

5) Branch migration (movement of the crossover structure) is the result of DNA unwinding and rewinding.

6) Resolution of the Holliday Junction will result in either a cross over event or gene conversion (without a cross over) event.