Suppose you add fluorescent ribonucleotides to a cell undergoing dna replication so that the rna primers used in dna synthesis glow when viewed with a fluorescent microscope. you notice that, near each replication fork, one strand glows more than the other. which strand is it that glows more, and why? the lagging strand glows more because it forms the "trombone loop." the leading strand glows more because it forms the "trombone loop." the leading strand glows more because it is elongated nearest the replication fork. the lagging strand glows more because its rna primer is nearer the replication fork.