<i>lin-28</i> mutants can be two stages precocious due to <i>let-7</i> activity.

1<p>All strains are homozygous for null alleles of the genes indicated and carry an integrated transgene of the seam cell marker <i>wIs78(scm::GFP; ajm-1::GFP)</i>. All alleles are null.</p>2<p>Percentage of seam cells synthesizing adult alae by early L3.</p>3<p>n = number of seam cells scored.