Should the checkboxes for selection be aligned?

In case of hierarchical grid displaying nested data with selection checkboxes on the left column, should the checkboxes at parent and child level be aligned vertically in the case when the child rows is being right indented in comparison to the parent rows?

nested selection grid

As an example, should the checkboxes for the sub-rows in the image above be on the red cells or the green cells or somewhere else?