9. What is the difference
between spermatids and
sperm cells? What is the name
of the transformation of
spermatids into sperm cells?

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Sperm cells (the male ) are
matured spermatids that already
undergone differentiation (appearance
the flagellum, reduction of
cytoplasm, formation of the ,
increase in the number
mitochondria). This differentiation
process called spermiogenesis.