Last Updated：2022/12/24
If heredity depends on the presence of a substance, the germ-plasm, which causes the production of the new individual by directing the process of division in ontogeny, in the course of which it becomes changed in a regular manner, the question arises as to how unaltered germ-plasm can nevertheless reappear in the germ-cells of the new individual.
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If
heredity
depends
on
the
presence
of
a
substance,
the
germ-plasm,
which
causes
the
production
of
the
new
individual
by
directing
the
process
of
division
in
ontogeny,
in
the
course
of
which
it
becomes
changed
in
a
regular
manner,
the
question
arises
as
to
how
unaltered
germ-plasm
can
nevertheless
reappear
in
the
germ-cells
of
the
new
individual.
