Northern Lights x Big Bud

Left plant is healthy and filling out very fat and heavy. Right plant is still thin and lightburned. Both plants are suppose to be the same however the right one does not look like the left. I believe I have 2 different strains, or the right plant was not a quality seed. One plant has large leaves, the other has small thin ones. I don't have much faith in the right plant but we will see if it comes around. They should be done soon. Have the microscope out to look at the trichomes. All are white for now. As soon as a I start seeing regular amber color ones I will begin my flush and prepare for harvest.