Spermatogenesis
in animals occurs in
testes
and starts when a
diploid
germ cell
called
spermatogonium
grows and differentiates into a
primary spermatocyte
.
Each
primary spermatocyte
undergoes
meiosis I
, producing two
haploid
secondary spermatocytes
.
continue
Spermatogenesis in animals occurs in testes and starts when a diploid
germ cell called
spermatogonium grows and differentiates into a primary spermatocyte.