Which among the following cell undergoes meiosis1 during spermatogenesis?

Primary spermatocyte . Secondary spermatocyte. Spermatid. Spermatogonium.

Primary spermatocyte .

Some of the spermatogonia called primary spermatocytes periodically undergo meiosis. A primary spermatocyte completes the first meiotic division (reduction division) leading to formation of two equal, haploid cells called secondary spermatocytes, which have only 23 chromosomes each.